Space start/stop · press a style to write a whole track (A intro → B groove → C main → D main 2 → E break → F build → G drop → H outro), then turn on Song mode to play it through · ↻ on any row swaps that instrument's sound · New part rewrites the selected row in the current style · Mutate nudges the pattern, Evolve keeps nudging it as it plays · click a row name to hear it and edit its sound · on the bass and chord rows, click a step then pick its note or chord below · knobs: drag, scroll or arrow keys, double-click to reset. Your work is saved in this browser.