Comping Pattern Builder
Build and share comping patterns for piano
™
My comping pattern
L
R
Directions
Right hand: Each orange cell has three fixed slots — top = 5,
middle = 3, bottom = 1. Click a slot to toggle that finger on or off,
and the note sounds immediately when you activate it.
Left hand: Each blue cell cycles through finger numbers: + → 1 → 2 → 3 → 4 → 5 → +. The note sounds immediately when you land on a number.
Sustain: Press and drag right on any circle to turn it into a sustain. The circle stretches into a rounded pill that covers the columns you drag over, and playback holds the note for that full duration.
Playback: Pick a Root note and BPM, then hit ▶ Play. Finger numbers play as scale degrees of your chosen scale: 1 = root, 2 = 2nd, 3 = 3rd, 4 = 4th, 5 = 5th. The left hand plays its degree one octave below the right hand. The current beat is highlighted as the pattern loops.
Export: Edit the title above the grid, then click Download to save a clean image (dashed placeholders and the play highlight are hidden automatically). Use Load preset to start from any of the 22 built-in patterns.
Left hand: Each blue cell cycles through finger numbers: + → 1 → 2 → 3 → 4 → 5 → +. The note sounds immediately when you land on a number.
Sustain: Press and drag right on any circle to turn it into a sustain. The circle stretches into a rounded pill that covers the columns you drag over, and playback holds the note for that full duration.
Playback: Pick a Root note and BPM, then hit ▶ Play. Finger numbers play as scale degrees of your chosen scale: 1 = root, 2 = 2nd, 3 = 3rd, 4 = 4th, 5 = 5th. The left hand plays its degree one octave below the right hand. The current beat is highlighted as the pattern loops.
Export: Edit the title above the grid, then click Download to save a clean image (dashed placeholders and the play highlight are hidden automatically). Use Load preset to start from any of the 22 built-in patterns.