New invention: Tri-Chromatic Keyboard

From: Roy P.
Sent on: Monday, October 5, 2009 8:55 PM

I’ve invented a new keyboard, The Tri-Chromatic Keyboard.  I have a midi controller version and an acoustic version.  I play jazz.  Music theory is much more clear on this keyboard.  I’m looking for collaborators.  Here is a Youtube intro:




Roy Pertchik


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