Check out the video. I play this drums, organ, and piano simultaneously and operate the video by myself. If only my cold fusion experiments had been this productive and I could would also sing and market the technology.
http://www.amazon.com/Znidarsic-Science-Books-MIDI-Staff/dp/B0189W31BK/ref=sr_1_cc_3?s=aps&ie=UTF8&qid=1457322586&sr=1-3-catcorr&keywords=%22znidarsic+science+books%22 Frank
