Hear the groove. See the hits. Practice at your level.
Paste a track, get a kick / snare / hat chart with confidence scores, then slow it down and loop the hard bars until they stick.
Upload a track
MP3, WAV, FLAC, or M4A. We separate drums on the backend and return a structured kick / snare / hat chart.
API offline — use Load demo chart below, or start the local stack (`pnpm dev`).