http://www.youtube.com/view_play_list?p=6163B423F050F0C3 Here are a set of video demos of the H-Pi Tonal Plexus microtonal keyboard. The Tonal Plexus provides 211 keys per octave, allowing the finest discrete control of tuning expression ever available on a MIDI keyboard.
H-Pi Instruments is now shippping the TBX1 – a MIDI box designed to make custom keyboard tunings as easy as pushing a button. Attach this little box to a compatible synth and you can make every key play any pitch you want. It comes preloaded with 128 tunings for you to try out, and it… Read More World’s First Microtonal MIDI Keyboard Converter Shipping