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.


Doc-take it easy John this is just a sharp scalpel. It will not cut deep so don't worry.
Me-I'm not John
Doc-I know, I am!

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