I googled "midi keyboard controller" and came up with a few items. You could get the Alesis Q25 25-Key Keyboard Midi Controller for only $79. I can't comment on its quality, though since I have never used it. M-Audio has sub $100 25 key midi controllers also.


"Good science comes in peer reviewed journals. Conspiracy theories come in YouTube videos. "
Kevin @ bandcamp: Crows Say Vee-Eh