I’m not sure, and I can’t test it now, but in case this helps:

I recall having a problem replacing a MIDI track with a RealTrack in the same position. I think it was something about the style overriding my substitution. This was long before Utility Tracks. I have no idea if my guess is correct but if it helps someone who might be able to test it, very good.

I plan to try your experiment tonight if no one else has solved it by then.


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