ref: aba0118f23a1af89fd15c88e6fff2acd7a2b79c7
dir: /examples/_midi.orca/
......................................... .#.MIDI.#................................ ......................................... ................################......... ................#..............#......... .....4C4........#..Channel..1..#......... ...4D104TCDFE...#..Octave...4..#......... .....:04C85.....#..Notes.CDFE..#......... ................#..............#......... ................################......... ......................................... ......................................... .........................................