ref: 002a7b949d5719b640d70aa62ed642bffa51b2c8
dir: /examples/_midi.orca/
......................................... .# MIDI #................................ ......................................... ................################......... ................#..............#......... .....4C4........#..Channel..1..#......... ...4D.34TCDFE...#..Octave...4..#......... .....:04E.......#..Notes.CDFE..#......... ................#..............#......... ................################......... ......................................... ......................................... .........................................