Two octaves of the C-major pentatonic scale (C D E G A). Tap a pad to play it, flip a pad's sequence switch to include it in the arpeggiator.
Click a pad to play its note. Use the switch on each pad to include/exclude it from the arpeggiator sequence.
Keyboard: ASDFG play the bottom row, HJKL the top row. Space toggles play/stop.