Can you make music using electromagnetic force fields? Yes. Yes, you can.
Let me introduce you to Oscillatorial Binnage, an improvisational group from London. They build their own instruments from whatever is handy, including recycled material. Solar power is used whenever possible.
Back in February, they released an album entitled Agitations: Post-Electronic Sounds. Imagine taking this kind of set-up on the road.
(Via Laughing Squid)