Input Ports: -no MIDI-

Outputs Ports: -no MIDI-

MIDI Messages: 0,0,0

GM Instrument MIDI Out Channel 1:

Start MIDI sequence:

Tempo:

Sequence 1:

Sequence 2:

Choose bmp :

Change [r, g, b, a] of the bmp with MIDI control change 176/14, 176/15, 176/16, 176/17.
Those are, for example, the first 4 dials of the Nanokontrol 1.