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.


I arrived early to a restaurant.
The manager asks, "do you mind waiting a bit?"
I said no.
"Good", he said. "Take these drinks to table 3"

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