audience participation cont

[Dave Halliday]

>     I think Leon Theremin designed a musical dance floor where the
>     position and movement of the dancers produced or altered 
>     sounds.  I don't have any details about it, but I guess it
>     was just a large Theremin.  Maybe he patented it?
>     It's great advantage is that there's not much for the
>     dancers to steal - "excuse me sir, is that an RF field
>     under your jacket?" :-)  

There is a wonderful movie called something like "Theremin; An
Electronic Odesey" which goes into some detail about this.

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