ref: 4bb6966550b52cff7a3e2633141ebae5ceb3f12a
dir: /examples/midi.orca/
......................................... .# MIDI #................................ ......................................... ................################......... ................#..............#......... ....I.8.........#..Channel..1..#......... ...B0...........#..Octave...4..#......... ...*............#..Note.....C..#......... ...:04C.........#..............#......... ................################......... ......................................... ......................................... .........................................