Fascinating. The headline made me think of a early synthesizer precursor that was about twenty-five years ahead of this instrument however, the Theremin.
Jerry Lewis Meets The Theramin:
https://www.youtube.com/watch?v=WkVw32vafPE
The first and last Jerry Lewis movie bit I saw as a kid ... even then I thought he was a total moron and not the least bit funny ... haven’t changed my mind since ...