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.


Why is it that doctors call what they do 'practice'?
If flying is so safe, why do they call the airport, the terminal?

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