A built-in chart with a fully synthesized backing track. Plays instantly — no files needed.
Pick your songs folder — Paradiddle-compatible song packages, each song in its own subfolder with .rlrr charts. Or drag a folder anywhere onto this window. Files never leave your machine.
.rlrr (and optionally its audio), then Play — no folder needed.
Kit Studio: rearrange lanes, set per-lane color / shape / width, add aux lanes, lefty flip. These options also live on the in-play Live settings dock (toggle with H).
Each lane and the key(s) bound to it — click any chip to rebind in Settings.
| Lane | Notes | Hit | Acc | Bias |
|---|