How to make an optical drum machine disc sequencer

John Park conducted a video workshop on how to make a drum sequencer by putting black and white markings on a disc. When he spins the disk, a row of optical sensors trigger the different drum sounds. It could be used to sequence any sounds, visuals, or actions.

Spectacular "Ambient Walkman Symphony" and other tape-loop, circuit bent performances

Portland-based musician Randall Taylor, aka Amulets, creates gorgeous experimental music performances from modded Walkmans and old multitrack cassette decks playing handcrafted tape loops, live guitar loops processed through circuit-bent pedals, field recordings and other sound sources. He calls his portable setup, featured in the video below, the Suitcase of Drone. — Read the rest