Contribute correction: MIDI Tracker (unreleased)

 ______      ___      _  _      ___    
|      \\   / _ \\   | \| ||   / _ \\  
|  --  //  / //\ \\  |  ' ||  / //\ \\ 
|  --  \\ |  ___  || | .  || |  ___  ||
|______// |_||  |_|| |_|\_|| |_||  |_||
`------`  `-`   `-`  `-` -`  `-`   `-`