ref: 9ab5cdb4f00913fbea7f5f0a1017950709ff6c0f
dir: /examples/_midi.orca/
......................................... .#.MIDI.#................................ ......................................... ................################......... ................#..............#......... .....4C4........#..Channel..1..#......... ...4D.34TCDFE...#..Octave...4..#......... .....:04E.......#..Notes.CDFE..#......... ................#..............#......... ................################......... ......................................... ......................................... .........................................