ref: c704b808d2d7e12725e9dfb54e7607ec00807583
dir: /examples/midi.orca/
......................................... .# MIDI #................................ ......................................... ................################......... ................#..............#......... ....I.8.........#..Channel..1..#......... ...B0...........#..Octave...4..#......... ...*............#..Note.....C..#......... ...:04C.........#..............#......... ................################......... ......................................... ......................................... .........................................