MIDI Message Formats
8 ch
key#
vel
Key Up
9 ch
key#
vel
Key Down
Program Change
Polyphonic Aftertouch
System Exclusive
A ch
press
key#
C ch
index#
B ch
ctrl#
value
Control Change
Channel Aftertouch
D ch
press
E ch
lo 7
hi 7
Pitch Bend
F 0
F
E
… DATA …