Moonpie From Planet X
Theremin duo Art Harrison and Rupert Chappelle playing, respectively, a Harrision Instruments Theremin and a Big Briar Etherwave Theremin, on August 16, 2009.
Also used – Alesis Microverb, Boss Digital Delay and Behringer Tube Distortion Box – recorded live to camera microphone.
via saintrupert
Certifiable genius!
If you haven't built Art's "Cacophonator", you're not a true synth hacker.