[ Rowland Lee wrote in 080419 MMDigest:

> I feel that it is theoretically possible to create an automatic
> or automaton Theremin, using Aeolian-style accordion bellows
> to control two "hands".  Has anyone out there ever tried this?

Yes, there already is a self-playing Theremin.  See the video:

  http://www.youtube.com/watch?v=19RJEnNUg1I

They sure picked an appropriate tune!

Andrew Barrett