diff --git a/docs/_static/audio/metal_blast.wav b/docs/_static/audio/metal_blast.wav
index a1c8d1c..2e8e06b 100644
Binary files a/docs/_static/audio/metal_blast.wav and b/docs/_static/audio/metal_blast.wav differ
diff --git a/docs/generate_audio.py b/docs/generate_audio.py
index b852560..63e2b9a 100644
--- a/docs/generate_audio.py
+++ b/docs/generate_audio.py
@@ -192,8 +192,12 @@ def gen_tabla():
 # ── Marching snare ───────────────────────────────────────────────────────
 
 def gen_metal_blast():
-    score = Score("4/4", bpm=200)
-    score.drums("metal blast", repeats=8, fill="metal cascade", fill_every=4)
+    score = Score("4/4", bpm=190)
+    # Showcase all metal patterns: groove → gallop → blast → cascade fill
+    score.drums("metal groove", repeats=2)
+    score.drums("metal gallop", repeats=2, fill="metal triplet", fill_every=2)
+    score.drums("metal blast", repeats=2, fill="metal cascade", fill_every=2)
+    score.drums("double kick", repeats=2, fill="metal blast", fill_every=2)
     render("metal_blast", score)