Click a row label to preview its note. Click the grid to place 1-step notes. Drag horizontally on a row to shape note length, or drag existing notes to new timing and pitches. Select notes, press Cmd/Ctrl+C to copy, then click the board to place them. Select notes and press Delete to remove them. Hold Shift while clicking to delete notes. Rows outside the scale stay locked unless Allow out-of-scale notes is enabled. Drag the yellow bar to scrub.