FM-1 firmware. The Mega Drive / Genesis sound chips as a synth: the YM2612 and SN76489, with a web app that pulls patches out of VGM music.

FM-1 firmware. Two Commodore 64 SID chips as a synth: six voices, 6581 or 8580, with a web app that pulls instruments out of .sid tunes.

FM-1 firmware. Liquid drum and bass pads and sub bass, locked to an external sequencer's MIDI clock.