ref: 2d1562cc1f42f3661a8ba7d5d9e6327588005cb7
dir: /examples/_midi.orca/
......................................... .# MIDI #................................ ......................................... ................################......... ................#..............#......... .....4C4........#..Channel..1..#......... ...4D.34TCDFE...#..Octave...4..#......... .....:04E.......#..Notes.CDFE..#......... ................#..............#......... ................################......... ......................................... ......................................... .........................................