Opocodes that accept MIDI input are aftouch, chanctrl, ctrl7, ctrl14, ctrl21, initc7, initc14, initc21, midic7, midic14, midic21, midichannelaftertouch, midichn, midicontrolchange, mididefault, midinoteoff, midinoteoncps, midinoteonkey, midinoteonoct, midinoteonpch, midipitchbend, midipolyaftertouch, midiprogramchange, and polyaft.