Check for pitch bend data in the MIDI files. That is another way to get a MIDI file's pitch shifted by less than a semitone.

If possible could you upload a file ? I would be glad to take a look at it.


My boss calls me "the computer".
Nothing to do with intelligence. I go to sleep if left unattended for 15 minutes.

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware