BIAB for Mac has no control of microtuning for MIDI. It just sends note numbers like A or Bb.

So it's the MIDI synth that you're using that would be playing things sharp. You mention that you use synths and you can micro tune them. an obvious cause would be that you have inadvertently micro tuned one of these synths away from A 440.

First step, please tell us what MIDI synth you are using as the output device for Band-in-a-Box.


Have Fun!
Peter Gannon
PG Music Inc.