diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index a765a42..6238d01 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -34,7 +34,9 @@ jobs:
       - name: Run golangci-lint
         uses: golangci/golangci-lint-action@v7
         with:
-          version: latest
+          # Pinned to avoid CI surprises when new lint releases tighten
+          # checks. Bump deliberately, not silently.
+          version: v2.12.2
 
   vet:
     name: Go Vet & Build
diff --git a/.gitignore b/.gitignore
index 9865b47..79ec360 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,7 @@ go.work
 
 # Build artifacts
 /rig
+/test-shazam
 /dist/
 /build/
 
diff --git a/README.md b/README.md
index cb6cc57..291e071 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,7 @@ No accounts. No ads. Just radio.
 - 🎨 Beautiful terminal UI with multiple themes
 - ⌨️ Keyboard-driven interface for fast navigation
 - ⭐ Save your favourite stations
+- 🎤 Identify the playing track with one keypress — Shazam-style, no API key required
 - 🎵 Now playing display with station metadata
 
 ### Search and play
@@ -37,6 +38,11 @@ No accounts. No ads. Just radio.
 <!-- Replace with actual gif -->
 ![Managing favourites](docs/assets/favourites.gif)
 
+### Identify the playing track
+Press `i` while a station is playing. rig taps the audio, fingerprints it locally in pure Go, and asks Shazam to identify it. Press `o` to open the track on shazam.com.
+<!-- Replace with actual gif -->
+![Identifying a track in the terminal](docs/assets/identify.gif)
+
 
 ## Installation
 
@@ -85,6 +91,8 @@ rig
 | `Space` | Pause/Resume |
 | `+` / `-` | Volume up/down |
 | `s` | Search stations |
+| `i` | Identify the playing track |
+| `o` | Open identified track on shazam.com |
 | `?` | Help |
 | `q` | Quit |
 
diff --git a/cmd/test-shazam/main.go b/cmd/test-shazam/main.go
new file mode 100644
index 0000000..42e766e
--- /dev/null
+++ b/cmd/test-shazam/main.go
@@ -0,0 +1,113 @@
+// Command test-shazam taps a live radio stream URL, fingerprints ~12 seconds
+// of audio, and asks Shazam to identify the track. It exists so the
+// identification pipeline can be smoke-tested end-to-end without booting the
+// TUI.
+//
+// Usage:
+//
+//	go run ./cmd/test-shazam <stream_url> [duration_seconds]
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+	"os/signal"
+	"strconv"
+	"time"
+
+	"github.com/mrwhyte/rig/pkg/identifier"
+	"github.com/mrwhyte/rig/pkg/identifier/shazam"
+)
+
+func main() {
+	os.Exit(run())
+}
+
+func run() int {
+	flag.Usage = func() {
+		fmt.Fprintf(os.Stderr, "Usage: %s <stream_url> [duration_seconds]\n", os.Args[0])
+		flag.PrintDefaults()
+	}
+	flag.Parse()
+
+	if flag.NArg() < 1 {
+		flag.Usage()
+		return 2
+	}
+
+	streamURL := flag.Arg(0)
+	duration := identifier.DefaultSampleSeconds * time.Second
+	if flag.NArg() >= 2 {
+		secs, err := strconv.Atoi(flag.Arg(1))
+		if err != nil || secs <= 0 {
+			fmt.Fprintf(os.Stderr, "invalid duration_seconds: %q\n", flag.Arg(1))
+			return 2
+		}
+		duration = time.Duration(secs) * time.Second
+	}
+
+	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt)
+	defer cancel()
+
+	// Generous overall timeout: capture + network round-trip + Shazam rate limiter.
+	ctx, cancelTimeout := context.WithTimeout(ctx, duration+30*time.Second)
+	defer cancelTimeout()
+
+	fmt.Fprintf(os.Stderr, "tapping %s for %s...\n", streamURL, duration)
+
+	captureStart := time.Now()
+	samples, sampleRate, err := identifier.CaptureMonoSamples(ctx, streamURL, duration)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "capture error: %v\n", err)
+		return 1
+	}
+	captureWall := time.Since(captureStart)
+	audioSeconds := float64(len(samples)) / float64(sampleRate)
+	fmt.Fprintf(
+		os.Stderr,
+		"captured %d samples at %d Hz (%.2fs of audio, wall time %s)\n",
+		len(samples), sampleRate, audioSeconds, captureWall.Round(time.Millisecond),
+	)
+	if audioSeconds < float64(duration/time.Second)*0.9 {
+		fmt.Fprintf(os.Stderr, "warning: captured less audio than requested — stream may have closed early\n")
+	}
+
+	resampled := identifier.Resample(samples, sampleRate, identifier.FingerprintSampleRate)
+	fmt.Fprintf(
+		os.Stderr,
+		"resampled to %d samples at %d Hz\n",
+		len(resampled), identifier.FingerprintSampleRate,
+	)
+
+	identifyStart := time.Now()
+	sig := shazam.ComputeSignature(identifier.FingerprintSampleRate, resampled)
+	result, err := shazam.Identify(ctx, sig)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "identify error: %v\n", err)
+		return 1
+	}
+	fmt.Fprintf(os.Stderr, "shazam round trip %s\n", time.Since(identifyStart).Round(time.Millisecond))
+
+	if !result.Found {
+		fmt.Fprintln(os.Stderr, "no match")
+		return 1
+	}
+
+	fmt.Printf("Title:   %s\n", result.Title)
+	fmt.Printf("Artist:  %s\n", result.Artist)
+	if result.Album != "" {
+		fmt.Printf("Album:   %s\n", result.Album)
+	}
+	if result.Year != "" {
+		fmt.Printf("Year:    %s\n", result.Year)
+	}
+	if u := result.ShazamURL(); u != "" {
+		fmt.Printf("Shazam:  %s\n", u)
+	}
+	if result.AppleID != "" {
+		fmt.Printf("AppleID: %s\n", result.AppleID)
+	}
+	return 0
+}
diff --git a/docs/assets/identify.cast b/docs/assets/identify.cast
new file mode 100644
index 0000000..27a90af
--- /dev/null
+++ b/docs/assets/identify.cast
@@ -0,0 +1,54 @@
+{"version":3,"term":{"cols":186,"rows":52,"type":"xterm-ghostty","version":"ghostty 1.3.1","theme":{"fg":"#cccccc","bg":"#1e1e1e","palette":"#000000:#cd3131:#0dbc79:#e5e510:#2472c8:#bc3fbc:#11a8cd:#e5e5e5:#666666:#f14c4c:#23d18b:#f5f543:#3b8eea:#d670d6:#29b8db:#e5e5e5"}},"timestamp":1778706694,"env":{"SHELL":"/bin/zsh"}}
+[0.0, "o", "\u001b[?2026h\u001b[H\u001b[38;2;232;232;232;1m rig.fm - Terminal Radio\u001b[m\r\n\n\u001b[38;2;68;68;68m╭─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮╭───────────────────────────────────────────────────╮\u001b[m\r\n\u001b[38;2;68;68;68m│\u001b[m \u001b[38;2;232;232;232;1mFilters\u001b[m\u001b[117X\u001b[4;127H\u001b[38;2;68;68;68m││\u001b[m \u001b[38;2;232;232;232;1m♥ Sponsors\u001b[m\u001b[40X\u001b[40C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;68;68;68m│\u001b[m\u001b[125X\u001b[5;127H\u001b[38;2;68;68;68m││\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;68;68;68m│\u001b[m  \u001b[38;2;200;200;200m1. Country:\u001b[m \u001b[38;2;144;144;144mAll Countrys\u001b[m\u001b[99X\u001b[6;127H\u001b[38;2;68;68;68m││\u001b[38;2;102;102;"]
+[0.000, "o", "102m  Sponsor rig.fm: github.com/sponsors/MWhyte\u001b[m \u001b[6b\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;68;68;68m│\u001b[m  \u001b[38;2;200;200;200m2. Genre:\u001b[m \u001b[38;2;144;144;144mAll Genres\u001b[m\u001b[103X\u001b[7;127H\u001b[38;2;68;68;68m││\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;68;68;68m│\u001b[m  \u001b[38;2;200;200;200m3. Language:\u001b[m \u001b[38;2;144;144;144mAll Languages\u001b[m\u001b[97X\u001b[8;127H\u001b[38;2;68;68;68m││\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;68;68;68m│\u001b[m  \u001b[38;2;200;200;200m4. Station:\u001b[m \u001b[38;2;144;144;144mAll Stations\u001b[m\u001b[99X\u001b[9;127H\u001b[38;2;68;68;68m││\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;68;68;68m│\u001b[m→ \u001b[38;2;200;200;200m5. Favorites:\u001b[m \u001b[38;2;94;158;219;1m★ Only\u001b[m\u001b[103X\u001b[10;127H\u001b[38;2;68;68;68m││\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;68;68;68m│\u001b[m\u001b[125X\u001b[11;127H\u001b[38;2;68;68;68m││\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;68;68;68m│\u001b[38;2;144;144;144m  Press Tab to focus\u001b[m\u001b[105X\u001b[12;127H\u001b[38;2;68;68;68m││\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;68;68;68m│\u001b[m\u001b[125X\u001b[13;127H\u001b[38;2;68;68;68m"]
+[0.000, "o", "││\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;68;68;68m│\u001b[m\u001b[125X\u001b[14;127H\u001b[38;2;68;68;68m││\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;68;68;68m╰─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯╰───────────────────────────────────────────────────╯\u001b[m\r\n\u001b[38;2;94;158;219m╭─────────────────────────────────────────────────────────────────────────────────────────────────────"]
+[0.000, "o", "────────────────────────╮\u001b[38;2;68;68;68m╭───────────────────────────────────────────────────╮\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m \u001b[38;2;94;158;219;1mStations (10)\u001b[m\u001b[111X\u001b[17;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m \u001b[38;2;232;232;232;1mPlayer\u001b[m\u001b[44X\u001b[44C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m\u001b[125X\u001b[18;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m  \u001b[38;2;144;144;144m10 items\u001b[m\u001b[115X\u001b[19;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m \u001b[38;2;232;232;232;1mDance Wave!\u001b[m\u001b[39X\u001b[39C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m\u001b[125X\u001b[20;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m \u001b[38;2;144;144;144mNo song info\u001b[m\u001b[38X\u001b[38C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m  \u001b[38;2;232;232;232mDeep House Radio ★\u001b[m\u001b[105X\u001b[21;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m\u001b[51X\u001b[51C"]
+[0.000, "o", "\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m  \u001b[38;2;102;102;102mIreland • deep house • MP3 • 128 kbps • 8 clicks\u001b[m\u001b[75X\u001b[22;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m \u001b[38;2;144;144;144mHungary\u001b[m\u001b[43X\u001b[43C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m\u001b[125X\u001b[23;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m││\u001b[m \u001b[38;2;94;158;219mDance Wave! ★\u001b[m\u001b[110X\u001b[24;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m \u001b[38;2;94;158;219m▶\u001b[m  \u001b[38;2;144;144;144m▁▂▃▂▁▂▃▂\u001b[m\u001b[39X\u001b[39C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m││\u001b[m \u001b[38;2;144;144;144mHungary • club dance electronic ... • MP3 • 128 kbps • 243 clicks\u001b[m\u001b[58X\u001b[25;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m\u001b[125X\u001b[26;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m \u001b[38;2;102;102;102mvol \u001b[38;2;94;158;219m████████████████████████████\u001b[38;2;6"]
+[0.000, "o", "8;68;68m░░░░░░░░░░░░\u001b[38;2;144;144;144m 70%\u001b[m  \u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m  \u001b[38;2;232;232;232mBloop London Radio (channel 4) - MUSIC ONLY THEMED STREAM.  NATURAL HIGH. DRENCHED IN GROOVES, AN ORGANIC JOURNEY OF BEATS…\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m \u001b[38;2;68;68;68m─────────────────────────────────────────────────\u001b[m \u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m  \u001b[38;2;102;102;102mThe United Kingdom Of Great Britain And Northern Ireland • electronic,grooves • MP3 • 128 kbps • 3 clicks\u001b[m\u001b[18X\u001b[28;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m \u001b[38;2;102;102;102mMP3 · 128 kbps\u001b[m\u001b[36X\u001b[36C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m\u001b[125X\u001b[29;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m  \u001b[38;2;232;232;232mQmusic ★\u001b[m\u001b[115X\u001b[30;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m\u001b"]
+[0.000, "o", "[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m  \u001b[38;2;102;102;102mThe Netherlands • no tags • MP3 • 96 kbps • 204 clicks\u001b[m\u001b[69X\u001b[31;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m\u001b[125X\u001b[32;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m  \u001b[38;2;232;232;232mQ Radio Belfast ★\u001b[m\u001b[106X\u001b[33;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m  \u001b[38;2;102;102;102mThe United Kingdom Of Great Britain And Northern Ireland • no tags • MP3 • 128 kbps • 5 clicks\u001b[m\u001b[29X\u001b[34;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m\u001b[125X\u001b[35;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m\r\n\u001b[38;2;94;158;219m│\u001b[m  \u001b[38;2;232;232;232mDeep House Radio ★\u001b[m\u001b[105X\u001b[36;127H\u001b[38;2;94;158;219m│\u001b[38;2;68;68;68m│\u001b[m\u001b[51X\u001b[51C\u001b[38;2;68;68;68m│\u001b[m"]
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+[0.050, "o", "\u001b[?2026h\b\b\u001b[38;2;232;232;232;1mForever Baby\u001b[m   \u001b[26;71H\u001b[38;2;94;158;219mCarlita & Janet Planet\u001b[m\u001b[27;71H\u001b[38;2;144;144;144mSentimental\u001b[38;2;102;102;102m · 2024\u001b[m\u001b[28X\u001b[29;71H\u001b[38;2;102;102;102mpress o to open in Shazam · enter/esc to close\u001b[m\u001b[?2026l"]
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diff --git a/docs/assets/identify.gif b/docs/assets/identify.gif
new file mode 100644
index 0000000..029a7aa
Binary files /dev/null and b/docs/assets/identify.gif differ
diff --git a/docs/index.html b/docs/index.html
index 5c83502..4420c6e 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -119,6 +119,11 @@ <h3>Keyboard-driven</h3>
             <h3>Favorites</h3>
             <p>Save your go-to stations for quick access. Your favorites persist across sessions.</p>
           </div>
+          <div class="feature-card">
+            <div class="feature-icon">🎤</div>
+            <h3>Identify the playing track</h3>
+            <p>Press <code>i</code> on a playing station. rig fingerprints the audio locally in pure Go and asks Shazam to identify it. No API key. Press <code>o</code> to open the track on shazam.com.</p>
+          </div>
           <div class="feature-card">
             <div class="feature-icon">🎵</div>
             <h3>Now playing</h3>
@@ -169,6 +174,18 @@ <h3>Favourites</h3>
               <img src="assets/favourites.gif" alt="Saving and managing favourite radio stations in the terminal" loading="lazy" width="800" height="500">
             </div>
           </div>
+          <div class="showcase-item">
+            <h3>Identify the playing track</h3>
+            <div class="terminal">
+              <div class="terminal-bar">
+                <div class="terminal-dot red"></div>
+                <div class="terminal-dot yellow"></div>
+                <div class="terminal-dot green"></div>
+                <span class="terminal-title">rig</span>
+              </div>
+              <img src="assets/identify.gif" alt="Identifying the playing track Shazam-style from the terminal" loading="lazy" width="800" height="500">
+            </div>
+          </div>
         </div>
       </div>
     </section>
diff --git a/go.mod b/go.mod
index b49f3de..279d5a1 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,11 @@ require (
 	charm.land/bubbles/v2 v2.0.0
 	charm.land/bubbletea/v2 v2.0.1
 	charm.land/lipgloss/v2 v2.0.0
+	github.com/google/uuid v1.6.0
+	github.com/hajimehoshi/go-mp3 v0.3.4
 	github.com/sahilm/fuzzy v0.1.1
+	golang.org/x/time v0.15.0
+	gonum.org/v1/gonum v0.17.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index 1a90ac9..45a12e3 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,5 @@
 charm.land/bubbles/v2 v2.0.0 h1:tE3eK/pHjmtrDiRdoC9uGNLgpopOd8fjhEe31B/ai5s=
 charm.land/bubbles/v2 v2.0.0/go.mod h1:rCHoleP2XhU8um45NTuOWBPNVHxnkXKTiZqcclL/qOI=
-charm.land/bubbletea/v2 v2.0.0 h1:p0d6CtWyJXJ9GfzMpUUqbP/XUUhhlk06+vCKWmox1wQ=
-charm.land/bubbletea/v2 v2.0.0/go.mod h1:3LRff2U4WIYXy7MTxfbAQ+AdfM3D8Xuvz2wbsOD9OHQ=
 charm.land/bubbletea/v2 v2.0.1 h1:B8e9zzK7x9JJ+XvHGF4xnYu9Xa0E0y0MyggY6dbaCfQ=
 charm.land/bubbletea/v2 v2.0.1/go.mod h1:3LRff2U4WIYXy7MTxfbAQ+AdfM3D8Xuvz2wbsOD9OHQ=
 charm.land/lipgloss/v2 v2.0.0 h1:sd8N/B3x892oiOjFfBQdXBQp3cAkvjGaU5TvVZC3ivo=
@@ -14,8 +12,6 @@ github.com/charmbracelet/colorprofile v0.4.2 h1:BdSNuMjRbotnxHSfxy+PCSa4xAmz7szw
 github.com/charmbracelet/colorprofile v0.4.2/go.mod h1:0rTi81QpwDElInthtrQ6Ni7cG0sDtwAd4C4le060fT8=
 github.com/charmbracelet/harmonica v0.2.0 h1:8NxJWRWg/bzKqqEaaeFNipOu77YR5t8aSwG4pgaUBiQ=
 github.com/charmbracelet/harmonica v0.2.0/go.mod h1:KSri/1RMQOZLbw7AHqgcBycp8pgJnQMYYT8QZRqZ1Ao=
-github.com/charmbracelet/ultraviolet v0.0.0-20260205113103-524a6607adb8 h1:eyFRbAmexyt43hVfeyBofiGSEmJ7krjLOYt/9CF5NKA=
-github.com/charmbracelet/ultraviolet v0.0.0-20260205113103-524a6607adb8/go.mod h1:SQpCTRNBtzJkwku5ye4S3HEuthAlGy2n9VXZnWkEW98=
 github.com/charmbracelet/ultraviolet v0.0.0-20260303162955-0b88c25f3fff h1:uY7A6hTokHPJBHfq7rj9Y/wm+IAjOghZTxKfVW6QLvw=
 github.com/charmbracelet/ultraviolet v0.0.0-20260303162955-0b88c25f3fff/go.mod h1:E6/0abq9uG2SnM8IbLB9Y5SW09uIgfaFETk8aRzgXUQ=
 github.com/charmbracelet/x/ansi v0.11.6 h1:GhV21SiDz/45W9AnV2R61xZMRri5NlLnl6CVF7ihZW8=
@@ -32,6 +28,11 @@ github.com/clipperhouse/displaywidth v0.11.0 h1:lBc6kY44VFw+TDx4I8opi/EtL9m20WSE
 github.com/clipperhouse/displaywidth v0.11.0/go.mod h1:bkrFNkf81G8HyVqmKGxsPufD3JhNl3dSqnGhOoSD/o0=
 github.com/clipperhouse/uax29/v2 v2.7.0 h1:+gs4oBZ2gPfVrKPthwbMzWZDaAFPGYK72F0NJv2v7Vk=
 github.com/clipperhouse/uax29/v2 v2.7.0/go.mod h1:EFJ2TJMRUaplDxHKj1qAEhCtQPW2tJSwu5BF98AuoVM=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/hajimehoshi/go-mp3 v0.3.4 h1:NUP7pBYH8OguP4diaTZ9wJbUbk3tC0KlfzsEpWmYj68=
+github.com/hajimehoshi/go-mp3 v0.3.4/go.mod h1:fRtZraRFcWb0pu7ok0LqyFhCUrPeMsGRSVop0eemFmo=
+github.com/hajimehoshi/oto/v2 v2.3.1/go.mod h1:seWLbgHH7AyUMYKfKYT9pg7PhUu9/SisyJvNTT+ASQo=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/lucasb-eyer/go-colorful v1.3.0 h1:2/yBRLdWBZKrf7gB40FoiKfAWYQ0lqNcbuQwVHXptag=
@@ -50,5 +51,10 @@ golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM
 golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
 golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
 golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sys v0.0.0-20220712014510-0a85c31ab51e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
 golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/time v0.15.0 h1:bbrp8t3bGUeFOx08pvsMYRTCVSMk89u4tKbNOZbp88U=
+golang.org/x/time v0.15.0/go.mod h1:Y4YMaQmXwGQZoFaVFk4YpCt4FLQMYKZe9oeV/f4MSno=
+gonum.org/v1/gonum v0.17.0 h1:VbpOemQlsSMrYmn7T2OUvQ4dqxQXU+ouZFQsZOx50z4=
+gonum.org/v1/gonum v0.17.0/go.mod h1:El3tOrEuMpv2UdMrbNlKEh9vd86bmQ6vqIcDwxEOc1E=
diff --git a/pkg/identifier/capture.go b/pkg/identifier/capture.go
new file mode 100644
index 0000000..d35638c
--- /dev/null
+++ b/pkg/identifier/capture.go
@@ -0,0 +1,258 @@
+package identifier
+
+import (
+	"bufio"
+	"context"
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"io"
+	"mime"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/hajimehoshi/go-mp3"
+)
+
+// ErrUnsupportedCodec is returned when the stream's Content-Type indicates an
+// audio codec other than MP3. Track identification currently only supports
+// MP3 streams; AAC and other codecs would need a different decoder.
+var ErrUnsupportedCodec = errors.New("unsupported audio codec")
+
+// streamReadBufBytes is the size of the chunk we read at a time from the
+// decoder. go-mp3 emits 16-bit stereo little-endian PCM (4 bytes per frame),
+// so 4096 is exactly 1024 frames per read.
+const streamReadBufBytes = 4096
+
+// CaptureMonoSamples opens streamURL, decodes the next `duration` worth of
+// MP3 audio, downmixes to mono and returns the samples normalised to [-1, 1]
+// alongside the decoder's native sample rate.
+//
+// The samples are NOT resampled here; if you intend to feed them to
+// shazam.ComputeSignature, run them through Resample first so the rate
+// matches what Shazam's matcher expects (FingerprintSampleRate).
+func CaptureMonoSamples(ctx context.Context, streamURL string, duration time.Duration) (samples []float64, sampleRate int, err error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, streamURL, http.NoBody)
+	if err != nil {
+		return nil, 0, fmt.Errorf("build request: %w", err)
+	}
+	// Ask the server not to interleave ICY metadata into the audio stream —
+	// most respect this and it keeps the MP3 frame boundaries clean.
+	req.Header.Set("Icy-MetaData", "0")
+	req.Header.Set("User-Agent", "rig/identifier")
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return nil, 0, fmt.Errorf("open stream: %w", err)
+	}
+	defer func() { _ = resp.Body.Close() }()
+
+	if resp.StatusCode != http.StatusOK {
+		return nil, 0, fmt.Errorf("stream returned %s", resp.Status)
+	}
+
+	// Reject obvious non-MP3 codecs up front so the user gets a clear
+	// "unsupported codec" error instead of a confusing "EOF" from go-mp3.
+	if ct := resp.Header.Get("Content-Type"); ct != "" && !isMP3ContentType(ct) {
+		return nil, 0, fmt.Errorf("%w: %s (only MP3 is supported)", ErrUnsupportedCodec, ct)
+	}
+
+	// Live Shoutcast/Icecast streams hand us bytes mid-frame on connect,
+	// which makes go-mp3 fail with errors like "is_pos was too big". Wrap
+	// the body in a reader that scans forward to the first valid MP3 frame
+	// header before passing data through.
+	synced, err := newMP3SyncReader(resp.Body)
+	if err != nil {
+		return nil, 0, fmt.Errorf("sync mp3 stream: %w", err)
+	}
+
+	dec, err := mp3.NewDecoder(synced)
+	if err != nil {
+		// Errors from mp3.NewDecoder almost always mean the stream is not
+		// an MP3 we can handle — wrong codec (AAC/Ogg), MPEG Layer I/II,
+		// or unrecognisable bytes after our sync scan. Surface them all as
+		// ErrUnsupportedCodec so the UI shows a clean message rather than
+		// a technical decoder error string.
+		return nil, 0, fmt.Errorf("%w: %s", ErrUnsupportedCodec, err.Error())
+	}
+
+	sampleRate = dec.SampleRate()
+	if sampleRate <= 0 || sampleRate > 192000 {
+		return nil, 0, fmt.Errorf("implausible stream sample rate: %d Hz", sampleRate)
+	}
+
+	framesNeeded := int(duration.Seconds() * float64(sampleRate))
+	samples = make([]float64, 0, framesNeeded)
+
+	buf := make([]byte, streamReadBufBytes)
+	for len(samples) < framesNeeded {
+		n, readErr := dec.Read(buf)
+		if n > 0 {
+			n -= n % 4 // align to whole stereo frames
+			for i := 0; i+3 < n; i += 4 {
+				left := int16(binary.LittleEndian.Uint16(buf[i : i+2]))    //nolint:gosec // G115: PCM frames are intentionally signed
+				right := int16(binary.LittleEndian.Uint16(buf[i+2 : i+4])) //nolint:gosec // G115: PCM frames are intentionally signed
+				samples = append(samples, (float64(left)+float64(right))/2/32768)
+			}
+		}
+		if readErr != nil {
+			if errors.Is(readErr, io.EOF) {
+				break
+			}
+			return nil, 0, fmt.Errorf("read mp3: %w", readErr)
+		}
+	}
+
+	if len(samples) > framesNeeded {
+		samples = samples[:framesNeeded]
+	}
+	if len(samples) == 0 {
+		return nil, 0, errors.New("no audio decoded")
+	}
+
+	return samples, sampleRate, nil
+}
+
+// FingerprintSampleRate is the rate Shazam's matcher is tuned for. Feeding
+// the algorithm at higher rates (e.g. 44100 Hz directly) is technically valid
+// per the signature wire format, but produces sparse peaks in Shazam's
+// 250-5500 Hz bands and fails to match real-world tracks. Resampling to
+// 16 kHz before fingerprinting is what every working Shazam client does.
+const FingerprintSampleRate = 16000
+
+// Resample converts audio samples from srcRate to dstRate. For downsampling
+// it averages over the source window to apply a crude anti-aliasing low-pass
+// filter; for upsampling it uses linear interpolation. Quality is adequate
+// for audio fingerprinting, where peak topology matters more than fidelity.
+//
+// If srcRate == dstRate, the input slice is returned unchanged.
+func Resample(in []float64, srcRate, dstRate int) []float64 {
+	if srcRate == dstRate || len(in) == 0 {
+		return in
+	}
+	ratio := float64(srcRate) / float64(dstRate)
+	outLen := int(float64(len(in)) / ratio)
+	if outLen <= 0 {
+		return nil
+	}
+	out := make([]float64, outLen)
+
+	if ratio > 1 {
+		// Downsampling: boxcar-averaged decimation.
+		window := int(ratio + 0.5)
+		if window < 2 {
+			window = 2
+		}
+		for i := range out {
+			srcStart := int(float64(i) * ratio)
+			if srcStart >= len(in) {
+				break
+			}
+			srcEnd := srcStart + window
+			if srcEnd > len(in) {
+				srcEnd = len(in)
+			}
+			sum := 0.0
+			for j := srcStart; j < srcEnd; j++ {
+				sum += in[j]
+			}
+			out[i] = sum / float64(srcEnd-srcStart)
+		}
+		return out
+	}
+
+	// Upsampling: linear interpolation.
+	for i := range out {
+		srcF := float64(i) * ratio
+		srcI := int(srcF)
+		frac := srcF - float64(srcI)
+		switch {
+		case srcI+1 < len(in):
+			out[i] = in[srcI]*(1-frac) + in[srcI+1]*frac
+		case srcI < len(in):
+			out[i] = in[srcI]
+		}
+	}
+	return out
+}
+
+// mp3SyncScanLimit is how many bytes we'll scan from the start of a stream
+// looking for the first valid MP3 frame header before giving up.
+const mp3SyncScanLimit = 1 << 16 // 64 KiB
+
+// mp3SyncReader wraps an io.Reader and skips past any leading bytes that
+// don't begin a valid MP3 frame header. Used to recover from connecting to
+// a live Shoutcast/Icecast stream mid-frame.
+type mp3SyncReader struct {
+	br *bufio.Reader
+}
+
+// isMP3ContentType reports whether the HTTP Content-Type advertises an MP3
+// stream. Servers vary in exact spelling (audio/mpeg, audio/mp3, audio/MPA).
+func isMP3ContentType(ct string) bool {
+	mt, _, err := mime.ParseMediaType(ct)
+	if err != nil {
+		mt = strings.ToLower(strings.TrimSpace(ct))
+	}
+	switch mt {
+	case "audio/mpeg", "audio/mp3", "audio/x-mpeg", "audio/mpa", "audio/mpa-robust":
+		return true
+	}
+	return false
+}
+
+// isValidMP3Header returns true if h looks like a real MP3 frame header.
+// Loose sync (byte 0 == 0xFF, byte 1 top 3 bits set) gets a lot of false
+// positives in ICY metadata and ID3 tags; we additionally reject the
+// reserved version, reserved layer, "bad" bitrate index, and reserved
+// sample-rate index, which never appear in real audio.
+func isValidMP3Header(h []byte) bool {
+	if len(h) < 3 {
+		return false
+	}
+	if h[0] != 0xFF {
+		return false
+	}
+	if h[1]&0xE0 != 0xE0 {
+		return false
+	}
+	if h[1]&0x18 == 0x08 { // version bits == 01: reserved
+		return false
+	}
+	if h[1]&0x06 == 0x00 { // layer bits == 00: reserved
+		return false
+	}
+	if h[2]&0xF0 == 0xF0 { // bitrate index == 1111: bad
+		return false
+	}
+	if h[2]&0x0C == 0x0C { // sample-rate index == 11: reserved
+		return false
+	}
+	return true
+}
+
+// newMP3SyncReader scans bytes from r until it finds an MP3 frame header
+// that passes isValidMP3Header, then returns a reader positioned at that
+// byte. Bytes are inspected via Peek so they stay buffered for the decoder.
+func newMP3SyncReader(r io.Reader) (*mp3SyncReader, error) {
+	br := bufio.NewReaderSize(r, 4096)
+	for scanned := 0; scanned < mp3SyncScanLimit; scanned++ {
+		head, err := br.Peek(3)
+		if err != nil {
+			return nil, fmt.Errorf("peek while seeking sync: %w", err)
+		}
+		if isValidMP3Header(head) {
+			return &mp3SyncReader{br: br}, nil
+		}
+		if _, err := br.ReadByte(); err != nil {
+			return nil, fmt.Errorf("discard while seeking sync: %w", err)
+		}
+	}
+	return nil, fmt.Errorf("no MP3 sync in first %d bytes", mp3SyncScanLimit)
+}
+
+// Read implements io.Reader by delegating to the buffered reader.
+func (s *mp3SyncReader) Read(p []byte) (int, error) {
+	return s.br.Read(p)
+}
diff --git a/pkg/identifier/identifier.go b/pkg/identifier/identifier.go
new file mode 100644
index 0000000..9f335d0
--- /dev/null
+++ b/pkg/identifier/identifier.go
@@ -0,0 +1,66 @@
+// Package identifier identifies tracks playing on internet radio streams by
+// tapping the stream's audio, computing a Shazam fingerprint locally, and
+// querying Shazam's recognition endpoint.
+package identifier
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"time"
+
+	"github.com/mrwhyte/rig/pkg/identifier/shazam"
+)
+
+// DefaultSampleSeconds is the amount of audio captured for one recognition
+// attempt. Shazam typically resolves a track from 8-12 seconds of audio.
+const DefaultSampleSeconds = 12
+
+// Track is what a successful identification returns to a caller.
+type Track struct {
+	Title     string
+	Artist    string
+	Album     string
+	Year      string
+	ShazamURL string // canonical Shazam track URL, empty if Shazam returned no key
+	AppleID   string // Apple Music track ID, empty if absent
+}
+
+// ErrNoMatch is returned when Shazam responds successfully but cannot identify
+// the audio (silence, talk, an unrecognised song).
+var ErrNoMatch = errors.New("no shazam match")
+
+// IdentifyStream captures DefaultSampleSeconds of audio from streamURL,
+// fingerprints it, and asks Shazam to identify the track. It returns
+// ErrNoMatch if Shazam responds with no matches.
+func IdentifyStream(ctx context.Context, streamURL string) (*Track, error) {
+	return IdentifyStreamFor(ctx, streamURL, DefaultSampleSeconds*time.Second)
+}
+
+// IdentifyStreamFor is the variant of IdentifyStream that lets the caller pick
+// the capture duration. Shorter durations are faster but less accurate.
+func IdentifyStreamFor(ctx context.Context, streamURL string, duration time.Duration) (*Track, error) {
+	samples, sampleRate, err := CaptureMonoSamples(ctx, streamURL, duration)
+	if err != nil {
+		return nil, fmt.Errorf("capture: %w", err)
+	}
+
+	resampled := Resample(samples, sampleRate, FingerprintSampleRate)
+	sig := shazam.ComputeSignature(FingerprintSampleRate, resampled)
+	result, err := shazam.Identify(ctx, sig)
+	if err != nil {
+		return nil, fmt.Errorf("identify: %w", err)
+	}
+	if !result.Found {
+		return nil, ErrNoMatch
+	}
+
+	return &Track{
+		Title:     result.Title,
+		Artist:    result.Artist,
+		Album:     result.Album,
+		Year:      result.Year,
+		ShazamURL: result.ShazamURL(),
+		AppleID:   result.AppleID,
+	}, nil
+}
diff --git a/pkg/identifier/shazam/LICENSE b/pkg/identifier/shazam/LICENSE
new file mode 100644
index 0000000..0887c7c
--- /dev/null
+++ b/pkg/identifier/shazam/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2024 Luke Champine
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/pkg/identifier/shazam/api.go b/pkg/identifier/shazam/api.go
new file mode 100644
index 0000000..786227b
--- /dev/null
+++ b/pkg/identifier/shazam/api.go
@@ -0,0 +1,326 @@
+// This file is vendored from https://github.com/lukechampine/barbershop
+// Original copyright (c) 2024 Luke Champine, MIT licensed (see LICENSE).
+//
+// Modifications for rig:
+//   - Identify now takes a context.Context for cancellation.
+//   - Result exposes the Shazam track Key so callers can build a Shazam URL.
+//   - Replaced math/rand with math/rand/v2 for the user-agent picker.
+//   - Replaced goto-based retry with a bounded loop.
+//   - Added http.NewRequestWithContext and explicit error handling throughout.
+
+package shazam
+
+import (
+	"bytes"
+	"context"
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+	"io"
+	"math/rand/v2"
+	"net/http"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/google/uuid"
+	"golang.org/x/time/rate"
+)
+
+// debugEnabled returns true when RIG_SHAZAM_DEBUG=1 in the environment. When
+// enabled, postSignature dumps the raw request body and response body to
+// stderr so we can diagnose why Shazam is returning no matches.
+func debugEnabled() bool {
+	return os.Getenv("RIG_SHAZAM_DEBUG") == "1"
+}
+
+// Shared rate limiter so we don't hammer Shazam and earn a ban.
+var throttle = rate.NewLimiter(rate.Every(3*time.Second), 1)
+
+// Result contains the outcome of attempting to identify a song.
+type Result struct {
+	Found   bool
+	Artist  string
+	Title   string
+	Album   string
+	Year    string
+	AppleID string
+	Key     string // Shazam track key, used to build https://www.shazam.com/track/<Key>
+}
+
+// ShazamURL returns the canonical Shazam track URL, or an empty string if the
+// result does not carry a track key.
+func (r Result) ShazamURL() string {
+	if r.Key == "" {
+		return ""
+	}
+	return "https://www.shazam.com/track/" + r.Key
+}
+
+const (
+	endpointHost  = "amp.shazam.com"
+	endpointPath  = "/discovery/v5/en/US/android/-/tag"
+	endpointQuery = "?sync=true&webv3=true&sampling=true&connected=&shazamapiversion=v3&sharehub=true&video=v3"
+)
+
+// Identify sends the given signature to Shazam and returns the recognised
+// track, or a Result with Found == false if no match was made.
+func Identify(ctx context.Context, sig Signature) (Result, error) {
+	body, err := buildRequestBody(sig)
+	if err != nil {
+		return Result{}, fmt.Errorf("build request body: %w", err)
+	}
+
+	reqURL := fmt.Sprintf(
+		"http://%s%s/%s/%s%s",
+		endpointHost,
+		endpointPath,
+		strings.ToUpper(uuid.NewString()),
+		uuid.NewString(),
+		endpointQuery,
+	)
+
+	respData, err := postSignature(ctx, reqURL, body)
+	if err != nil {
+		return Result{}, err
+	}
+	if len(respData.Matches) == 0 {
+		return Result{Found: false}, nil
+	}
+
+	album, year := "", ""
+	for _, section := range respData.Track.Sections {
+		for _, meta := range section.Metadata {
+			switch meta.Title {
+			case "Album":
+				album = meta.Text
+			case "Released", "Sortie":
+				year = meta.Text
+			}
+		}
+	}
+	appleID := ""
+	for _, action := range respData.Track.Hub.Actions {
+		if action.Name == "apple" && action.ID != "" {
+			appleID = action.ID
+			break
+		}
+	}
+
+	return Result{
+		Found:   true,
+		Artist:  respData.Track.Subtitle,
+		Title:   respData.Track.Title,
+		Album:   album,
+		Year:    year,
+		AppleID: appleID,
+		Key:     respData.Track.Key,
+	}, nil
+}
+
+func buildRequestBody(sig Signature) ([]byte, error) {
+	now := time.Now().UnixMilli()
+	payload := map[string]any{
+		"geolocation": map[string]any{
+			"altitude":  300,
+			"latitude":  45,
+			"longitude": 2,
+		},
+		"signature": map[string]any{
+			"samplems":  sig.numSamples / sig.sampleRate * 1000,
+			"timestamp": now,
+			"uri":       "data:audio/vnd.shazam.sig;base64," + base64.StdEncoding.EncodeToString(sig.encode()),
+		},
+		"timestamp": now,
+		"timezone":  "Europe/Berlin",
+	}
+	return json.Marshal(payload)
+}
+
+type shazamResponse struct {
+	Matches []struct {
+		ID            string
+		Offset        float64
+		TimeSkew      float64
+		FrequencySkew float64
+	}
+	Track struct {
+		Title    string
+		Subtitle string
+		Key      string
+		Hub      struct {
+			Actions []struct {
+				Name string
+				ID   string
+			}
+		}
+		Sections []struct {
+			Type     string
+			Metadata []struct {
+				Title string
+				Text  string
+			}
+		}
+	}
+}
+
+const maxRetries = 3
+
+func postSignature(ctx context.Context, reqURL string, body []byte) (*shazamResponse, error) {
+	debug := debugEnabled()
+	if debug {
+		fmt.Fprintf(os.Stderr, "[shazam] POST %s\n", reqURL)
+		fmt.Fprintf(os.Stderr, "[shazam] request body: %s\n", string(body))
+	}
+
+	var lastErr error
+	for attempt := 0; attempt < maxRetries; attempt++ {
+		if err := throttle.Wait(ctx); err != nil {
+			return nil, fmt.Errorf("throttle: %w", err)
+		}
+
+		req, err := http.NewRequestWithContext(ctx, http.MethodPost, reqURL, bytes.NewReader(body))
+		if err != nil {
+			return nil, fmt.Errorf("build request: %w", err)
+		}
+		ua := pickUserAgent()
+		req.Header.Set("User-Agent", ua)
+		req.Header.Set("Content-Language", "en_US")
+		req.Header.Set("Content-Type", "application/json")
+		if debug {
+			fmt.Fprintf(os.Stderr, "[shazam] User-Agent: %s\n", ua)
+		}
+
+		resp, err := http.DefaultClient.Do(req)
+		if err != nil {
+			return nil, fmt.Errorf("do request: %w", err)
+		}
+
+		respBody, readErr := io.ReadAll(resp.Body)
+		_ = resp.Body.Close()
+		if debug {
+			fmt.Fprintf(os.Stderr, "[shazam] response status: %s\n", resp.Status)
+			fmt.Fprintf(os.Stderr, "[shazam] response body (%d bytes): %s\n", len(respBody), string(respBody))
+		}
+		if readErr != nil {
+			return nil, fmt.Errorf("read response: %w", readErr)
+		}
+
+		switch resp.StatusCode {
+		case http.StatusOK:
+			var out shazamResponse
+			if err := json.Unmarshal(respBody, &out); err != nil {
+				return nil, fmt.Errorf("decode response: %w", err)
+			}
+			return &out, nil
+		case http.StatusTooManyRequests:
+			lastErr = fmt.Errorf("rate limited by shazam")
+			select {
+			case <-ctx.Done():
+				return nil, ctx.Err()
+			case <-time.After(3 * time.Second):
+			}
+		default:
+			return nil, fmt.Errorf("bad status: %s (%s)", resp.Status, string(respBody))
+		}
+	}
+	return nil, lastErr
+}
+
+func pickUserAgent() string {
+	// Picking a UA string is not a security-sensitive decision; math/rand/v2 is fine.
+	return userAgents[rand.IntN(len(userAgents))] //nolint:gosec // G404: non-crypto use
+}
+
+// userAgents is a pool of Android Dalvik user agents used to look like a
+// regular mobile Shazam client. Picked at random per request.
+var userAgents = []string{
+	"Dalvik/2.1.0 (Linux; U; Android 5.0.2; VS980 4G Build/LRX22G)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; SM-T210 Build/KOT49H)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; SM-P905V Build/LMY47X)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; Vodafone Smart Tab 4G Build/KTU84P)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; SM-G360H Build/KTU84P)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.0.2; SM-S920L Build/LRX22G)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.0; Fire Pro Build/LRX21M)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.0; SM-N9005 Build/LRX21V)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0.1; SM-G920F Build/MMB29K)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; SM-G7102 Build/KOT49H)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.0; SM-G900F Build/LRX21T)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0.1; SM-G928F Build/MMB29K)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; SM-J500FN Build/LMY48B)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; Coolpad 3320A Build/LMY47V)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; SM-J110F Build/KTU84P)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; SAMSUNG-SGH-I747 Build/KOT49H)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; SAMSUNG-SM-T337A Build/KOT49H)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.3; SGH-T999 Build/JSS15J)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0.1; D6603 Build/23.5.A.0.570)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; SM-J700H Build/LMY48B)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; HTC6600LVW Build/KOT49H)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; SM-N910G Build/LMY47X)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; SM-N910T Build/LMY47X)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; C6903 Build/14.4.A.0.157)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.2.2; GT-I9105P Build/JDQ39)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; GT-I9192 Build/KOT49H)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; SM-G531H Build/LMY48B)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; LGMS345 Build/LMY47V)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.0.2; HTC One Build/LRX22G)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.0.2; LG-D800 Build/LRX22G)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; SM-T113 Build/KTU84P)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.2.2; AndyWin Build/JDQ39E)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.0; Lenovo A7000-a Build/LRX21M)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; LGL16C Build/KOT49I.L16CV11a)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; GT-I9500 Build/KOT49H)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.0.2; SM-A700FD Build/LRX22G)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; SM-G130HN Build/KOT49H)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; SM-N9005 Build/KOT49H)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.1.2; LG-E975T Build/JZO54K)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; E1 Build/KOT49H)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; GT-N5100 Build/KOT49H)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; SM-A310F Build/LMY47X)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; SM-J105H Build/LMY47V)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.3; GT-I9305T Build/JSS15J)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; android Build/JDQ39)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.2.1; HS-U970 Build/JOP40D)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; SM-T561 Build/KTU84P)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.2.2; GT-P3110 Build/JDQ39)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0.1; SM-G925T Build/MMB29K)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; HUAWEI Y221-U22 Build/HUAWEIY221-U22)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; SM-G530T1 Build/LMY47X)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; SM-G920I Build/LMY47X)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; Vodafone Smart ultra 6 Build/LMY47V)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; XT1080 Build/SU6-7.7)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; ASUS MeMO Pad 7 Build/KTU84P)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; SM-G800F Build/KOT49H)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; GT-N7100 Build/KOT49H)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0.1; SM-G925I Build/MMB29K)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0.1; A0001 Build/MMB29X)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1; XT1045 Build/LPB23.13-61)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; LGMS330 Build/LMY47V)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; Z970 Build/KTU84P)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.0; SM-N900P Build/LRX21V)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; T1-701u Build/HuaweiMediaPad)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1; HTCD100LVWPP Build/LMY47O)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0.1; SM-G935R4 Build/MMB29M)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0.1; SM-G930V Build/MMB29M)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.0.2; ZTE Blade Q Lux Build/LRX22G)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; GT-I9060I Build/KTU84P)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0.1; LGUS992 Build/MMB29M)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0.1; SM-G900P Build/MMB29M)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.1.2; SGH-T999L Build/JZO54K)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; SM-N910V Build/LMY47X)",
+	"Dalvik/2.1.0 (Linux; U; Android 5.1.1; SM-P601 Build/LMY47X)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.2.2; GT-S7272 Build/JDQ39)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.3; SAMSUNG-SGH-I747 Build/JSS15J)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0.1; SM-G930F Build/MMB29K)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; HTC_PO582 Build/KOT49H)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0; HUAWEI MT7-TL10 Build/HuaweiMT7-TL10)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0; LG-H811 Build/MRA58K)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; SM-N7505 Build/KOT49H)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0; LG-H815 Build/MRA58K)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.2; LenovoA3300-HV Build/KOT49H)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; SM-G360G Build/KTU84P)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; GT-I9300I Build/KTU84P)",
+	"Dalvik/2.1.0 (Linux; U; Android 6.0.1; SM-J700T Build/MMB29K)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.2.2; SM-T217S Build/JDQ39)",
+	"Dalvik/1.6.0 (Linux; U; Android 4.4.4; SAMSUNG-SM-N900A Build/KTU84P)",
+}
diff --git a/pkg/identifier/shazam/hanning.go b/pkg/identifier/shazam/hanning.go
new file mode 100644
index 0000000..f31b7f3
--- /dev/null
+++ b/pkg/identifier/shazam/hanning.go
@@ -0,0 +1,2055 @@
+// This file is vendored from https://github.com/lukechampine/barbershop
+// Original copyright (c) 2024 Luke Champine, MIT licensed (see LICENSE).
+
+package shazam
+
+var hanningMultipliers = [2048]float64{
+	0.0000023508,
+	0.0000094032,
+	0.000021157,
+	0.000037612,
+	0.000058769,
+	0.000084626,
+	0.00011518,
+	0.00015044,
+	0.0001904,
+	0.00023506,
+	0.00028442,
+	0.00033848,
+	0.00039723,
+	0.00046069,
+	0.00052884,
+	0.00060168,
+	0.00067923,
+	0.00076147,
+	0.0008484,
+	0.00094003,
+	0.0010363,
+	0.0011374,
+	0.0012431,
+	0.0013535,
+	0.0014685,
+	0.0015883,
+	0.0017128,
+	0.0018419,
+	0.0019757,
+	0.0021142,
+	0.0022574,
+	0.0024053,
+	0.0025578,
+	0.0027151,
+	0.002877,
+	0.0030435,
+	0.0032148,
+	0.0033907,
+	0.0035713,
+	0.0037566,
+	0.0039465,
+	0.0041411,
+	0.0043403,
+	0.0045443,
+	0.0047528,
+	0.0049661,
+	0.0051839,
+	0.0054065,
+	0.0056337,
+	0.0058655,
+	0.006102,
+	0.0063431,
+	0.0065889,
+	0.0068393,
+	0.0070943,
+	0.007354,
+	0.0076183,
+	0.0078873,
+	0.0081608,
+	0.008439,
+	0.0087219,
+	0.0090093,
+	0.0093013,
+	0.009598,
+	0.0098993,
+	0.010205,
+	0.010516,
+	0.010831,
+	0.01115,
+	0.011475,
+	0.011804,
+	0.012137,
+	0.012475,
+	0.012818,
+	0.013165,
+	0.013517,
+	0.013873,
+	0.014234,
+	0.0146,
+	0.01497,
+	0.015344,
+	0.015724,
+	0.016107,
+	0.016496,
+	0.016889,
+	0.017286,
+	0.017688,
+	0.018094,
+	0.018505,
+	0.018921,
+	0.019341,
+	0.019766,
+	0.020195,
+	0.020628,
+	0.021066,
+	0.021509,
+	0.021956,
+	0.022408,
+	0.022864,
+	0.023324,
+	0.023789,
+	0.024259,
+	0.024733,
+	0.025211,
+	0.025694,
+	0.026182,
+	0.026674,
+	0.02717,
+	0.027671,
+	0.028176,
+	0.028686,
+	0.0292,
+	0.029718,
+	0.030241,
+	0.030768,
+	0.0313,
+	0.031836,
+	0.032377,
+	0.032922,
+	0.033471,
+	0.034025,
+	0.034583,
+	0.035146,
+	0.035712,
+	0.036284,
+	0.036859,
+	0.037439,
+	0.038024,
+	0.038612,
+	0.039205,
+	0.039803,
+	0.040404,
+	0.04101,
+	0.04162,
+	0.042235,
+	0.042854,
+	0.043477,
+	0.044105,
+	0.044736,
+	0.045372,
+	0.046013,
+	0.046657,
+	0.047306,
+	0.047959,
+	0.048617,
+	0.049278,
+	0.049944,
+	0.050614,
+	0.051288,
+	0.051967,
+	0.05265,
+	0.053337,
+	0.054028,
+	0.054723,
+	0.055423,
+	0.056126,
+	0.056834,
+	0.057546,
+	0.058263,
+	0.058983,
+	0.059707,
+	0.060436,
+	0.061169,
+	0.061906,
+	0.062647,
+	0.063392,
+	0.064141,
+	0.064895,
+	0.065652,
+	0.066413,
+	0.067179,
+	0.067949,
+	0.068722,
+	0.0695,
+	0.070282,
+	0.071068,
+	0.071858,
+	0.072652,
+	0.07345,
+	0.074252,
+	0.075058,
+	0.075868,
+	0.076682,
+	0.0775,
+	0.078321,
+	0.079147,
+	0.079977,
+	0.080811,
+	0.081649,
+	0.08249,
+	0.083336,
+	0.084185,
+	0.085039,
+	0.085896,
+	0.086757,
+	0.087622,
+	0.088491,
+	0.089364,
+	0.090241,
+	0.091121,
+	0.092006,
+	0.092894,
+	0.093786,
+	0.094682,
+	0.095582,
+	0.096485,
+	0.097392,
+	0.098303,
+	0.099218,
+	0.10014,
+	0.10106,
+	0.10199,
+	0.10292,
+	0.10385,
+	0.10479,
+	0.10573,
+	0.10667,
+	0.10762,
+	0.10857,
+	0.10953,
+	0.11049,
+	0.11145,
+	0.11242,
+	0.11339,
+	0.11436,
+	0.11534,
+	0.11632,
+	0.11731,
+	0.1183,
+	0.11929,
+	0.12028,
+	0.12128,
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+	0.0014685,
+	0.0013535,
+	0.0012431,
+	0.0011374,
+	0.0010363,
+	0.00094003,
+	0.0008484,
+	0.00076147,
+	0.00067923,
+	0.00060168,
+	0.00052884,
+	0.00046069,
+	0.00039723,
+	0.00033848,
+	0.00028442,
+	0.00023506,
+	0.0001904,
+	0.00015044,
+	0.00011518,
+	0.000084626,
+	0.000058769,
+	0.000037612,
+	0.000021157,
+	0.0000094032,
+	0.0000023508,
+}
diff --git a/pkg/identifier/shazam/signature.go b/pkg/identifier/shazam/signature.go
new file mode 100644
index 0000000..d6df60a
--- /dev/null
+++ b/pkg/identifier/shazam/signature.go
@@ -0,0 +1,242 @@
+// This file is vendored from https://github.com/lukechampine/barbershop
+// Original copyright (c) 2024 Luke Champine, MIT licensed (see LICENSE).
+//
+// Modifications for rig:
+//   - Dropped the optional CollectSample helper that depended on faiface/beep.
+//   - Dropped the unused Signature.decode round-trip method.
+//   - Added explicit error handling on binary writes where required by linters.
+
+package shazam
+
+import (
+	"bytes"
+	"encoding/binary"
+	"hash/crc32"
+	"math"
+
+	"gonum.org/v1/gonum/dsp/fourier"
+)
+
+func convertSampleRate(x int) int {
+	return map[int]int{
+		1: 8000,
+		2: 11025,
+		3: 16000,
+		4: 32000,
+		5: 44100,
+
+		8000:  1,
+		11025: 2,
+		16000: 3,
+		32000: 4,
+		44100: 5,
+	}[x]
+}
+
+type frequencyPeak struct {
+	pass      int
+	magnitude int
+	bin       int
+}
+
+// A Signature is a unique fingerprint of an audio sample.
+type Signature struct {
+	sampleRate  int
+	numSamples  int
+	peaksByBand [5][]frequencyPeak
+}
+
+// encode serialises the signature into Shazam's wire format.
+// Writes to bytes.Buffer never fail, so binary.Write errors are intentionally
+// ignored. Integer truncations on this path are deliberate bit packing for
+// Shazam's wire format, so gosec G115 is suppressed throughout.
+//
+//nolint:gosec // G115: intentional bit packing for Shazam wire format
+func (s Signature) encode() []byte {
+	var buf []byte
+	write := func(u uint32) {
+		var b [4]byte
+		binary.LittleEndian.PutUint32(b[:], u)
+		buf = append(buf, b[:]...)
+	}
+
+	// header
+	write(0xcafe2580)
+	write(0) // checksum
+	write(0) // length
+	write(0x94119c00)
+	write(0)
+	write(0)
+	write(0)
+	write(uint32(convertSampleRate(s.sampleRate)) << 27)
+	write(0)
+	write(0)
+	write(uint32(s.numSamples) + uint32(float64(s.sampleRate)*0.24))
+	write(0x007c0000)
+	write(uint32(0x40000000))
+	write(0) // length2
+
+	// peaks
+	for band, peaks := range s.peaksByBand {
+		if len(peaks) == 0 {
+			continue
+		}
+		var peakBuf bytes.Buffer
+		pass := 0
+		for _, peak := range peaks {
+			if peak.pass-pass >= 255 {
+				peakBuf.WriteByte(0xFF)
+				_ = binary.Write(&peakBuf, binary.LittleEndian, uint32(peak.pass))
+				pass = peak.pass
+			}
+			_ = binary.Write(&peakBuf, binary.LittleEndian, uint8(peak.pass-pass))
+			_ = binary.Write(&peakBuf, binary.LittleEndian, uint16(peak.magnitude))
+			_ = binary.Write(&peakBuf, binary.LittleEndian, uint16(peak.bin))
+			pass = peak.pass
+		}
+		write(uint32(0x60030040 + band))
+		write(uint32(peakBuf.Len()))
+		for peakBuf.Len()%4 != 0 {
+			peakBuf.WriteByte(0x00)
+		}
+		buf = append(buf, peakBuf.Bytes()...)
+	}
+
+	binary.LittleEndian.PutUint32(buf[8:12], uint32(len(buf[48:])))
+	binary.LittleEndian.PutUint32(buf[52:56], uint32(len(buf[48:])))
+	binary.LittleEndian.PutUint32(buf[4:8], crc32.ChecksumIEEE(buf[8:]))
+	return buf
+}
+
+type ring[T any] struct {
+	buf   []T
+	index int
+}
+
+func (r ring[T]) mod(i int) int {
+	for i < 0 {
+		i += len(r.buf)
+	}
+	return i % len(r.buf)
+}
+
+func (r ring[T]) At(i int) *T {
+	return &r.buf[r.mod(r.index+i)]
+}
+
+func (r ring[T]) Append(x ...T) ring[T] {
+	for len(x) > 0 {
+		n := copy(r.buf[r.index:], x)
+		x = x[n:]
+		r.index = (r.index + n) % len(r.buf)
+	}
+	return r
+}
+
+func (r ring[T]) Slice(s []T, offset int) {
+	offset = r.mod(offset + r.index)
+	for len(s) > 0 {
+		n := copy(s, r.buf[offset:])
+		s = s[n:]
+		offset = (offset + n) % len(r.buf)
+	}
+}
+
+func newRing[T any](size int) ring[T] {
+	return ring[T]{buf: make([]T, size)}
+}
+
+// ComputeSignature computes the audio signature of the provided mono samples
+// at the given sample rate. The sample rate must be one of 8000, 11025, 16000,
+// 32000, or 44100 Hz.
+func ComputeSignature(sampleRate int, samples []float64) Signature {
+	maxNeighbor := func(spreadOutputs ring[[1025]float64], i int) (neighbor float64) {
+		for _, off := range []int{-10, -7, -4, -3, 1, 2, 5, 8} {
+			neighbor = max(neighbor, spreadOutputs.At(-49)[(i+off)])
+		}
+		for _, off := range []int{-53, -45, 165, 172, 179, 186, 193, 200, 214, 221, 228, 235, 242, 249} {
+			neighbor = max(neighbor, spreadOutputs.At(off)[i-1])
+		}
+		return neighbor
+	}
+	normalizePeak := func(x float64) float64 {
+		return math.Log(max(x, 1.0/64))*1477.3 + 6144
+	}
+	peakBand := func(bin int) (int, bool) {
+		hz := (bin * sampleRate) / (2 * 1024 * 64)
+		band, ok := map[bool]int{
+			250 <= hz && hz < 520:    0,
+			520 <= hz && hz < 1450:   1,
+			1450 <= hz && hz < 3500:  2,
+			3500 <= hz && hz <= 5500: 3,
+		}[true]
+		return band, ok
+	}
+
+	fft := fourier.NewFFT(2048)
+	samplesRing := newRing[float64](2048)
+	fftOutputs := newRing[[1025]float64](256)
+	spreadOutputs := newRing[[1025]float64](256)
+	var peaksByBand [5][]frequencyPeak
+	for i := 0; i*128+128 < len(samples); i++ {
+		samplesRing = samplesRing.Append(samples[i*128:][:128]...)
+
+		// Perform FFT.
+		reorderedSamples := make([]float64, 2048)
+		samplesRing.Slice(reorderedSamples, 0)
+		for j, m := range &hanningMultipliers {
+			reorderedSamples[j] = math.Round(reorderedSamples[j]*1024*64) * m
+		}
+		var outputs [1025]float64
+		for k, c := range fft.Coefficients(nil, reorderedSamples) {
+			outputs[k] = max((real(c)*real(c)+imag(c)*imag(c))/(1<<17), 0.0000000001)
+		}
+		fftOutputs = fftOutputs.Append(outputs)
+
+		// Spread peaks, both in the frequency domain...
+		for j := 0; j < len(outputs)-2; j++ {
+			outputs[j] = max(outputs[j], outputs[j+1], outputs[j+2])
+		}
+		spreadOutputs = spreadOutputs.Append(outputs)
+		// ... and in the time domain.
+		for _, off := range []int{-2, -4, -7} {
+			prev := spreadOutputs.At(off)
+			for j := range prev {
+				prev[j] = max(prev[j], outputs[j])
+			}
+		}
+
+		// Accumulate samples until we have enough...
+		if i < 45 {
+			continue
+		}
+		// ...then recognise peaks.
+		fftOutput := fftOutputs.At(-46)
+		for bin := 10; bin < 1015; bin++ {
+			// Ensure that this is a frequency- and time-domain local maximum.
+			if fftOutput[bin] <= maxNeighbor(spreadOutputs, bin) {
+				continue
+			}
+			// Normalise and compute frequency band.
+			before := normalizePeak(fftOutput[bin-1])
+			peak := normalizePeak(fftOutput[bin])
+			after := normalizePeak(fftOutput[bin+1])
+			variation := int((32 * (after - before)) / (2*peak - after - before))
+			peakBin := bin*64 + variation
+			band, ok := peakBand(peakBin)
+			if !ok {
+				continue
+			}
+			peaksByBand[band] = append(peaksByBand[band], frequencyPeak{
+				pass:      i - 45,
+				magnitude: int(peak),
+				bin:       peakBin,
+			})
+		}
+	}
+	return Signature{
+		sampleRate:  sampleRate,
+		numSamples:  len(samples),
+		peaksByBand: peaksByBand,
+	}
+}
diff --git a/pkg/identifier/shazam/signature_test.go b/pkg/identifier/shazam/signature_test.go
new file mode 100644
index 0000000..c28fc8d
--- /dev/null
+++ b/pkg/identifier/shazam/signature_test.go
@@ -0,0 +1,50 @@
+// This file is vendored from https://github.com/lukechampine/barbershop
+// Original copyright (c) 2024 Luke Champine, MIT licensed (see LICENSE).
+
+package shazam
+
+import (
+	"crypto/sha256"
+	"fmt"
+	"math"
+	"testing"
+)
+
+func TestSignature(t *testing.T) {
+	samples := make([]float64, 128)
+	sig := ComputeSignature(16000, samples)
+	h := sha256.Sum256(sig.encode())
+	if fmt.Sprintf("%x", h) != "4ae7d1ae7a4787a7d6cda559db6e17026f60369b3485b762759b7a07ff24fab9" {
+		t.Fatalf("bad signature: %x", h)
+	}
+
+	samples = make([]float64, 1024)
+	for i := range samples {
+		samples[i] = float64(i)
+	}
+	sig = ComputeSignature(16000, samples)
+	h = sha256.Sum256(sig.encode())
+	if fmt.Sprintf("%x", h) != "073022772a4bc617a855adfb6265316f23ae6a25045e670e0904a2b11f132a75" {
+		t.Fatalf("bad signature: %x", h)
+	}
+
+	samples = make([]float64, 16*1024)
+	for i := range samples {
+		samples[i] = math.Sin(float64(i) * 2 * math.Pi / 256)
+	}
+	sig = ComputeSignature(16000, samples)
+	h = sha256.Sum256(sig.encode())
+	if fmt.Sprintf("%x", h) != "c8c055411ec845f6d57b27baf7fc5735fdaf51f2a6026dd12f09d0eb17652c02" {
+		t.Fatalf("bad signature: %x", h)
+	}
+
+	samples = make([]float64, 7*1024+55)
+	for i := range samples {
+		samples[i] = math.Cos(float64(i+12) * math.E)
+	}
+	sig = ComputeSignature(16000, samples)
+	h = sha256.Sum256(sig.encode())
+	if fmt.Sprintf("%x", h) != "e399475137268c73d7e6665479358370c0979f7d2c3860f71b1e035105b3a1d8" {
+		t.Fatalf("bad signature: %x", h)
+	}
+}
diff --git a/pkg/player/player.go b/pkg/player/player.go
index fa0e3d7..90a526d 100644
--- a/pkg/player/player.go
+++ b/pkg/player/player.go
@@ -14,6 +14,12 @@ import (
 	"time"
 )
 
+// MPV IPC protocol literals.
+const (
+	mpvCmdKey         = "command"
+	mpvCmdSetProperty = "set_property"
+)
+
 // State represents the current player state.
 type State int
 
@@ -147,7 +153,7 @@ func (p *MPVPlayer) Pause() error {
 	}
 
 	if err := p.sendCommand(map[string]interface{}{
-		"command": []interface{}{"set_property", "pause", true},
+		mpvCmdKey: []interface{}{mpvCmdSetProperty, "pause", true},
 	}); err != nil {
 		return err
 	}
@@ -166,7 +172,7 @@ func (p *MPVPlayer) Resume() error {
 	}
 
 	if err := p.sendCommand(map[string]interface{}{
-		"command": []interface{}{"set_property", "pause", false},
+		mpvCmdKey: []interface{}{mpvCmdSetProperty, "pause", false},
 	}); err != nil {
 		return err
 	}
@@ -192,7 +198,7 @@ func (p *MPVPlayer) stopLocked() {
 
 	// Send quit command
 	_ = p.sendCommand(map[string]interface{}{
-		"command": []interface{}{"quit"},
+		mpvCmdKey: []interface{}{"quit"},
 	})
 
 	// Kill process if still running
@@ -224,7 +230,7 @@ func (p *MPVPlayer) SetVolume(volume int) error {
 
 	if p.state == StatePlaying || p.state == StatePaused {
 		if err := p.sendCommand(map[string]interface{}{
-			"command": []interface{}{"set_property", "volume", volume},
+			mpvCmdKey: []interface{}{mpvCmdSetProperty, "volume", volume},
 		}); err != nil {
 			return err
 		}
@@ -317,7 +323,7 @@ func (p *MPVPlayer) getProperty(property string) (interface{}, error) {
 
 	// Send command
 	cmd := map[string]interface{}{
-		"command":    []interface{}{"get_property", property},
+		mpvCmdKey:    []interface{}{"get_property", property},
 		"request_id": 1,
 	}
 	encoder := json.NewEncoder(conn)
diff --git a/pkg/ui/identify.go b/pkg/ui/identify.go
new file mode 100644
index 0000000..2c99b5b
--- /dev/null
+++ b/pkg/ui/identify.go
@@ -0,0 +1,214 @@
+package ui
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"net/url"
+	"os/exec"
+	"runtime"
+	"strings"
+	"time"
+
+	tea "charm.land/bubbletea/v2"
+	"charm.land/lipgloss/v2"
+
+	"github.com/mrwhyte/rig/pkg/identifier"
+)
+
+// identifyDuration is how much audio we capture for one recognition attempt.
+// Long enough for reliable matches, short enough not to bore the user.
+const identifyDuration = 12 * time.Second
+
+// identifyOverallTimeout caps the full operation including network latency
+// and the Shazam rate limiter window.
+const identifyOverallTimeout = 45 * time.Second
+
+// identifyResultMsg carries the result of an identification attempt.
+type identifyResultMsg struct {
+	track *identifier.Track
+	err   error
+}
+
+// isIdentifying reports whether the identify modal is in its loading state,
+// i.e. an identification is in flight and we haven't received a result yet.
+func (m *Model) isIdentifying() bool {
+	return m.showIdentifyModal && m.identifyTrack == nil && m.identifyErr == nil
+}
+
+// startIdentify launches the async identification command. The capture,
+// fingerprint, and Shazam round-trip all happen inside the returned tea.Cmd
+// so the UI stays responsive. The created context is stored on the model so
+// Esc/Enter can abort the in-flight goroutine instead of leaking it.
+func (m *Model) startIdentify() tea.Cmd {
+	if m.playing == nil {
+		return nil
+	}
+	streamURL := m.playing.URLResolved
+	ctx, cancel := context.WithTimeout(context.Background(), identifyOverallTimeout)
+	m.identifyCancel = cancel
+	return func() tea.Msg {
+		track, err := identifier.IdentifyStreamFor(ctx, streamURL, identifyDuration)
+		return identifyResultMsg{track: track, err: err}
+	}
+}
+
+// openURL opens rawURL in the user's default browser. The scheme is
+// validated to be http/https before exec'ing anything.
+func openURL(rawURL string) error {
+	parsed, err := url.Parse(rawURL)
+	if err != nil {
+		return fmt.Errorf("parse url: %w", err)
+	}
+	if parsed.Scheme != "http" && parsed.Scheme != "https" {
+		return fmt.Errorf("unsupported url scheme: %q", parsed.Scheme)
+	}
+
+	ctx := context.Background()
+	var cmd *exec.Cmd
+	switch runtime.GOOS {
+	case "darwin":
+		cmd = exec.CommandContext(ctx, "open", rawURL) //nolint:gosec // G204: URL scheme validated above
+	case "linux":
+		cmd = exec.CommandContext(ctx, "xdg-open", rawURL) //nolint:gosec // G204: URL scheme validated above
+	case "windows":
+		cmd = exec.CommandContext(ctx, "cmd", "/c", "start", rawURL) //nolint:gosec // G204: URL scheme validated above
+	default:
+		return fmt.Errorf("unsupported OS: %s", runtime.GOOS)
+	}
+	return cmd.Start()
+}
+
+// handleIdentifyModalInput handles keyboard input while the identify modal
+// is showing — whether the spinner is running or a result is on screen.
+func (m *Model) handleIdentifyModalInput(msg tea.KeyPressMsg) (tea.Model, tea.Cmd) {
+	switch msg.String() {
+	case keyCtrlC:
+		m.stopPlayback()
+		return m, tea.Quit
+
+	case keyEsc, keyEnter:
+		m.resetIdentifyState()
+		return m, nil
+
+	case keyOpen:
+		if m.identifyTrack != nil && m.identifyTrack.ShazamURL != "" {
+			if err := openURL(m.identifyTrack.ShazamURL); err != nil {
+				m.identifyErr = fmt.Errorf("open url: %w", err)
+			}
+		}
+		return m, nil
+	}
+	return m, nil
+}
+
+// resetIdentifyState clears identify-related state and cancels any in-flight
+// goroutine. The cancellation propagates to the HTTP request, the MP3
+// decoder, and the Shazam rate limiter, so dismissed identifications stop
+// consuming network and memory immediately.
+func (m *Model) resetIdentifyState() {
+	if m.identifyCancel != nil {
+		m.identifyCancel()
+		m.identifyCancel = nil
+	}
+	m.showIdentifyModal = false
+	m.identifyTrack = nil
+	m.identifyErr = nil
+}
+
+// renderIdentifyModal renders a centred modal showing either the spinner
+// (while identifying) or the result (after completion).
+func (m *Model) renderIdentifyModal() string {
+	const modalWidth = 56
+	const modalHeight = 11
+
+	title := lipgloss.NewStyle().
+		Bold(true).
+		Foreground(colorTitle).
+		Padding(0, 1).
+		Render("♪ Identify Track")
+
+	var content string
+	switch {
+	case m.isIdentifying():
+		content = m.renderIdentifySpinner()
+	case m.identifyErr != nil:
+		content = m.renderIdentifyError()
+	case m.identifyTrack != nil:
+		content = m.renderIdentifyResult()
+	default:
+		content = "\n  (nothing to display)\n"
+	}
+
+	panel := lipgloss.JoinVertical(lipgloss.Left, title, content)
+
+	modal := lipgloss.NewStyle().
+		Border(lipgloss.RoundedBorder()).
+		BorderForeground(colorAccent).
+		Padding(1, 2).
+		Width(modalWidth).
+		Height(modalHeight).
+		Render(panel)
+
+	return lipgloss.Place(m.width, m.height, lipgloss.Center, lipgloss.Center, modal)
+}
+
+func (m *Model) renderIdentifySpinner() string {
+	return fmt.Sprintf(
+		"\n  %s  %s\n\n  %s\n",
+		lipgloss.NewStyle().Foreground(colorAccent).Render(m.identifySpinner.View()),
+		lipgloss.NewStyle().Foreground(colorTitle).Render("Listening..."),
+		lipgloss.NewStyle().
+			Foreground(colorMuted).
+			Render("This takes about 12-15 seconds. esc to cancel."),
+	)
+}
+
+func (m *Model) renderIdentifyError() string {
+	// For codec mismatches we deliberately hide the technical decoder
+	// string ("only layer3 ... want 1 got 3" etc) and just show the
+	// friendly headline.
+	if errors.Is(m.identifyErr, identifier.ErrUnsupportedCodec) {
+		return fmt.Sprintf(
+			"\n  %s\n\n  %s",
+			lipgloss.NewStyle().Foreground(colorWarning).Render("Sorry, only MP3 streams are currently supported"),
+			lipgloss.NewStyle().Foreground(colorDim).Render("enter/esc to close"),
+		)
+	}
+
+	headline := "Couldn't identify the track"
+	if errors.Is(m.identifyErr, identifier.ErrNoMatch) {
+		headline = "No match found"
+	}
+	return fmt.Sprintf(
+		"\n  %s\n\n  %s\n\n  %s",
+		lipgloss.NewStyle().Foreground(colorWarning).Render(headline),
+		lipgloss.NewStyle().Foreground(colorMuted).Render(m.identifyErr.Error()),
+		lipgloss.NewStyle().Foreground(colorDim).Render("enter/esc to close"),
+	)
+}
+
+func (m *Model) renderIdentifyResult() string {
+	t := m.identifyTrack
+	var b strings.Builder
+	b.WriteString("\n  ")
+	b.WriteString(lipgloss.NewStyle().Bold(true).Foreground(colorTitle).Render(t.Title))
+	b.WriteString("\n  ")
+	b.WriteString(lipgloss.NewStyle().Foreground(colorAccent).Render(t.Artist))
+	if t.Album != "" {
+		b.WriteString("\n  ")
+		b.WriteString(lipgloss.NewStyle().Foreground(colorMuted).Render(t.Album))
+		if t.Year != "" {
+			b.WriteString(lipgloss.NewStyle().Foreground(colorDim).Render(" · " + t.Year))
+		}
+	}
+	b.WriteString("\n\n  ")
+	if t.ShazamURL != "" {
+		b.WriteString(lipgloss.NewStyle().
+			Foreground(colorDim).
+			Render("press o to open in Shazam · enter/esc to close"))
+	} else {
+		b.WriteString(lipgloss.NewStyle().Foreground(colorDim).Render("enter/esc to close"))
+	}
+	return b.String()
+}
diff --git a/pkg/ui/keys.go b/pkg/ui/keys.go
index 4aa5d09..61a068c 100644
--- a/pkg/ui/keys.go
+++ b/pkg/ui/keys.go
@@ -18,6 +18,7 @@ const (
 	keyCtrlC = "ctrl+c"
 	keyEnter = "enter"
 	keyEsc   = "esc"
+	keyOpen  = "o"
 )
 
 // handleKeyPress handles keyboard input.
@@ -31,6 +32,11 @@ func (m *Model) handleKeyPress(msg tea.KeyPressMsg) (tea.Model, tea.Cmd) {
 		return m.handleTimerModalInput(msg)
 	}
 
+	// If the identify modal is open, route keys through it.
+	if m.showIdentifyModal {
+		return m.handleIdentifyModalInput(msg)
+	}
+
 	// If editing a filter, handle input differently
 	if m.editingFilter != FilterNone {
 		return m.handleFilterInput(msg)
@@ -62,47 +68,7 @@ func (m *Model) handleKeyPress(msg tea.KeyPressMsg) (tea.Model, tea.Cmd) {
 		return m, nil
 
 	case "space":
-		// Toggle play/pause, or play selected station
-		switch {
-		case m.isPlaying && m.playing != nil:
-			// Currently playing - pause it
-			if err := m.player.Pause(); err == nil {
-				m.isPlaying = false
-				if m.sleepTimerActive {
-					m.sleepTimerPaused = true
-					elapsed := time.Since(m.sleepTimerStart)
-					m.sleepTimerRemaining = m.sleepTimerDuration - elapsed
-				}
-			}
-			return m, nil
-		case !m.isPlaying && m.playing != nil:
-			// Paused - resume it
-			if err := m.player.Resume(); err == nil {
-				m.isPlaying = true
-				if m.sleepTimerActive && m.sleepTimerPaused {
-					m.sleepTimerPaused = false
-					m.sleepTimerDuration = m.sleepTimerRemaining
-					m.sleepTimerStart = time.Now()
-					waveCmd := m.waveTick()
-					sleepCmd := m.sleepTimerTick()
-					return m, tea.Batch(waveCmd, sleepCmd)
-				}
-				cmd := m.waveTick()
-				return m, cmd
-			}
-			return m, nil
-		case m.focusedSection == SectionStationList && len(m.stations) > 0:
-			// No station playing and in station list - play selected station
-			// Get the actual selected item from the filtered list
-			if item := m.stationList.SelectedItem(); item != nil {
-				if stationItem, ok := item.(StationItem); ok {
-					return m, func() tea.Msg {
-						return playStationMsg{&stationItem.station}
-					}
-				}
-			}
-		}
-		return m, nil
+		return m.handleSpaceKey()
 
 	case "s":
 		// Stop playback
@@ -144,6 +110,15 @@ func (m *Model) handleKeyPress(msg tea.KeyPressMsg) (tea.Model, tea.Cmd) {
 		}
 		return m, m.timerInput.Focus()
 
+	case "i":
+		// Identify the currently playing track via Shazam.
+		if m.playing == nil {
+			return m, nil
+		}
+		m.resetIdentifyState()
+		m.showIdentifyModal = true
+		return m, tea.Batch(m.startIdentify(), m.identifySpinner.Tick)
+
 	case "f":
 		// Toggle favorite for selected station
 		if m.focusedSection == SectionStationList && len(m.stations) > 0 {
@@ -578,3 +553,49 @@ func (m *Model) handleThemeModalInput(msg tea.KeyPressMsg) (tea.Model, tea.Cmd)
 
 	return m, nil
 }
+
+// handleSpaceKey handles the space-bar shortcut: toggle play/pause when a
+// station is loaded, or play the selected station when nothing is loaded.
+func (m *Model) handleSpaceKey() (tea.Model, tea.Cmd) {
+	switch {
+	case m.isPlaying && m.playing != nil:
+		// Currently playing - pause it.
+		if err := m.player.Pause(); err == nil {
+			m.isPlaying = false
+			if m.sleepTimerActive {
+				m.sleepTimerPaused = true
+				elapsed := time.Since(m.sleepTimerStart)
+				m.sleepTimerRemaining = m.sleepTimerDuration - elapsed
+			}
+		}
+		return m, nil
+
+	case !m.isPlaying && m.playing != nil:
+		// Paused - resume it.
+		if err := m.player.Resume(); err == nil {
+			m.isPlaying = true
+			if m.sleepTimerActive && m.sleepTimerPaused {
+				m.sleepTimerPaused = false
+				m.sleepTimerDuration = m.sleepTimerRemaining
+				m.sleepTimerStart = time.Now()
+				waveCmd := m.waveTick()
+				sleepCmd := m.sleepTimerTick()
+				return m, tea.Batch(waveCmd, sleepCmd)
+			}
+			cmd := m.waveTick()
+			return m, cmd
+		}
+		return m, nil
+
+	case m.focusedSection == SectionStationList && len(m.stations) > 0:
+		// No station playing and in station list - play selected station.
+		if item := m.stationList.SelectedItem(); item != nil {
+			if stationItem, ok := item.(StationItem); ok {
+				return m, func() tea.Msg {
+					return playStationMsg{&stationItem.station}
+				}
+			}
+		}
+	}
+	return m, nil
+}
diff --git a/pkg/ui/layout.go b/pkg/ui/layout.go
index 1075f87..93e327d 100644
--- a/pkg/ui/layout.go
+++ b/pkg/ui/layout.go
@@ -89,7 +89,7 @@ func (m *Model) renderFooter() string {
 		shortcuts = "↑↓/jk: select • enter: edit • c: clear"
 	}
 
-	help := fmt.Sprintf("tab: switch sections [%s] • %s • space: pause • +/-: volume • t: sleep timer • ctrl+t: theme • ctrl+c: quit",
+	help := fmt.Sprintf("tab: switch sections [%s] • %s • space: pause • +/-: volume • i: identify • t: sleep timer • ctrl+t: theme • ctrl+c: quit",
 		m.focusedSection.String(),
 		shortcuts,
 	)
diff --git a/pkg/ui/model.go b/pkg/ui/model.go
index 8352548..1872995 100644
--- a/pkg/ui/model.go
+++ b/pkg/ui/model.go
@@ -1,6 +1,7 @@
 package ui
 
 import (
+	"context"
 	"fmt"
 	"os"
 	"strings"
@@ -8,11 +9,13 @@ import (
 
 	"charm.land/bubbles/v2/list"
 	"charm.land/bubbles/v2/progress"
+	"charm.land/bubbles/v2/spinner"
 	"charm.land/bubbles/v2/textinput"
 	tea "charm.land/bubbletea/v2"
 
 	"github.com/mrwhyte/rig/pkg/config"
 	"github.com/mrwhyte/rig/pkg/favorites"
+	"github.com/mrwhyte/rig/pkg/identifier"
 	"github.com/mrwhyte/rig/pkg/player"
 	"github.com/mrwhyte/rig/pkg/radiobrowser"
 	"github.com/mrwhyte/rig/pkg/sponsors"
@@ -117,6 +120,12 @@ type Model struct {
 	liveSponsors        []sponsors.Sponsor // Live sponsors loaded from Gist/cache
 	sponsorScrollOffset int                // Top of visible window into the virtual scroll list
 
+	// Track identification (Shazam)
+	showIdentifyModal bool
+	identifyTrack     *identifier.Track
+	identifyErr       error
+	identifySpinner   spinner.Model
+	identifyCancel    context.CancelFunc
 }
 
 // NewModel creates a new application model.
@@ -158,6 +167,8 @@ func NewModel() (*Model, error) {
 	)
 	volumeBar.EmptyColor = colorBorder
 
+	identifySpinner := spinner.New(spinner.WithSpinner(spinner.MiniDot))
+
 	m := &Model{
 		view:                ViewLoading,
 		apiClient:           apiClient,
@@ -173,6 +184,7 @@ func NewModel() (*Model, error) {
 		favManager:       favManager,
 		timerInput:       timerInput,
 		volumeBar:        volumeBar,
+		identifySpinner:  identifySpinner,
 	}
 
 	return m, nil
@@ -601,6 +613,25 @@ func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.volumeBar = newBar
 		return m, cmd
 
+	case identifyResultMsg:
+		// Ignore the result if the user dismissed the modal mid-flight.
+		if !m.showIdentifyModal {
+			return m, nil
+		}
+		m.identifyTrack = msg.track
+		m.identifyErr = msg.err
+		return m, nil
+
+	case spinner.TickMsg:
+		// Only keep ticking while the identification spinner should be
+		// visible. Other spinner instances are ignored by ID inside Update.
+		if !m.isIdentifying() {
+			return m, nil
+		}
+		var cmd tea.Cmd
+		m.identifySpinner, cmd = m.identifySpinner.Update(msg)
+		return m, cmd
+
 	case waveTickMsg:
 		if m.isPlaying {
 			m.waveFrame++
@@ -637,6 +668,8 @@ func (m *Model) View() tea.View {
 		content = m.renderTimerModal()
 	case m.showThemeModal:
 		content = m.renderThemeModal()
+	case m.showIdentifyModal:
+		content = m.renderIdentifyModal()
 	default:
 		switch m.view {
 		case ViewLoading: