Hello candy.chiu.ad There is such a program, and it is made specifically for synthesizers Casio (including CDP-200-220) Called MIDI4CASIO, made by order of the Russian office Casio and licensed it only for Russia, so in English it cannot be found. But she intuitive, and visualised. Just upload it "midi" or "kar" file and place the labels for the phrases are highlighted in active MIDI channels , choose which one you want to disable the on-screen keyboard will be shown party of this channel. Actually everything is simple and clear. If you can't find the program and it is freely available on the website of the Russian representative office Casio - write to me in PM, I will send it to you. With best wishes! UPD. Forgot to say, it's perfect free!