ref: 5cfa031a0ad4767a66db447ba554106935ad2582
dir: /examples/_midi.orca/
......................................... .#.MIDI.#................................ ......................................... ................################......... ................#..............#......... .....4C4........#..Channel..1..#......... ...4D.34TCDFE...#..Octave...4..#......... .....:04E.......#..Notes.CDFE..#......... ................#..............#......... ................################......... ......................................... ......................................... .........................................