Boing-Boing -- a great blogsite -- offers this link to Laughing Squid -- another great blogsite for the specific purpose of access to THIS page -- a theremin cover of Gnarls Barkley's Crazy

The thing about playing the theremin is making music with hands, arms, and fingers, touching only air. Not easy, but an extraordinary concept and amazing rush. Real music, not just soundtrack stuyff for 50's science fiction space monster movies.