ref: 1faf0b55cd978d5b16d655429ca6819c5bbf5b15
dir: /examples/_midi.orca/
......................................... .#.MIDI.#................................ ......................................... ................################......... ................#..............#......... .....4C4........#..Channel..1..#......... ...4D104TCDFE...#..Octave...4..#......... .....:04C85.....#..Notes.CDFE..#......... ................#..............#......... ................################......... ......................................... ......................................... .........................................