piano

1.1.1 ♩ =

Grid

Timing Velocity

Works on the selected notes, or all notes if none are selected. Press again for another random nudge; ⌘Z undoes.

piano roll book

No saved tracks yet.
Press ⌘S to save this roll — saved tracks are public.

Midi files

Shortcuts

Space: Play / pause
Home: Return to start
Click ruler: Move playhead (drag to scrub)
L / ⌘L: Loop on-off / loop selected notes
Loop brace: Drag to move, edges to resize, click to toggle
Drag top lane: Draw a new loop
← →: Move playhead by grid (no selection)
B: Toggle draw mode
Double-click: Add note / delete note
Drag empty space: Select notes
⇧ click: Add / remove from selection
⌥ drag: Copy notes (draw mode: lock pitch)
⌘ drag: Bypass snapping
Drag note edge: Change length
M: Computer keyboard on / off
A W S E D … ; ': Play C to F (keyboard on)
Z / X · C / V: Octave · velocity (keyboard on)

↑ ↓ / ⇧↑ ↓: Transpose semitone / octave
← → / ⇧← →: Move / resize selection by grid
⌘S / ⇧⌘S: Save / save a copy
⌘O: Open a MIDI file
⌘D: Duplicate
⌘C ⌘X ⌘V: Copy, cut, paste at playhead
⌘A / Esc: Select all / deselect
⌫: Delete
⌘Z / ⇧⌘Z: Undo / redo
1 / 2: Narrow / widen grid
3 / 4: Triplets / Boneless (no snapping) on-off
⌘↑ ⌘↓: Velocity ±10 for selected notes
Velocity lane: Drag stems; in draw mode, sweep to paint
⇧⌘L: Legato
⌘ scroll, pinch, + −: Zoom time
⌥ scroll: Zoom key height
Drag lower ruler: ↕ zoom, ↔ scroll
Drag keys ↔: Key height (right = taller)
Double-click keys: Fit notes / selection