Pick an iconic rhythmic pattern, dial in the tempo, and loop it. Tap any cell to remix the pattern yourself — it's your beat maker underneath the presets.
120
BPM
🔈🔊
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Sounds are synthesized in the browser — no samples used. Patterns represent the classic rhythmic feel of each style, not a reproduced recording.
Keyboard shortcuts Enter Play / Stop beats
o/ Play / Stop beats
p Start / Stop metronome ← → Previous / Next preset
[ ] BPM −2 / +2 (both) - + Volume −5 / +5 (both)
q–i Tempo preset (Largo → Prestissimo)
, . Tempo step slower / faster
Metronome
120
BPM
🔈🔊
Time sig
Edit Presets JSON
— open Edit JSON to see selected preset —
Replace preset at index:Or append new (type name — leave blank to replace above):