Place notes: Click on the grid to add a note at the nearest grid position. Drag a note to extend its length.
Delete notes: Double-click a note to remove it. On mobile, tap a note to delete.
Velocity: Notes are colored by velocity - blue (soft) to red (loud). Use the velocity slider to set new note velocity.
Three tracks: Melody (blue), Bass (purple), Chords (orange). Switch tracks with buttons or keys 1-2-3. All tracks play together.
Quantization: Select grid snap: 1/4, 1/8, 1/16, or 1/32. Quantize snaps existing notes to grid.
Copy/Paste: Press Copy (C), then click two points on the grid to define a selection region. Press Paste (V) to insert.
Undo/Redo: 20 levels of undo (Z) and redo (Y).
Save/Load: Save your composition to browser localStorage. Ctrl+S to save, Ctrl+L to load.
4 bars × 4/4 time with 2 octaves (C3 to C5). BPM: 120.