I'm using the Forte DXI for midi synth in both programs.

I solved the problem though: the extra sounds still showed up in BiaB when I muted ALL instruments (some midi some real tracks). I realized the "sick" sounds were occuring on bars where this phantom audio and the current song had slightly different embellishments.

I noticed there was an mp3 file in the folders where the SGU/MGU files reside ( a former rendering I'd made). AHA! BiaB is autoloading that and decompressing to WAV. Based on a post to another visitor here, I realized what was going on. Moving the mp3 and WAV files to subfolders solved the problem!

Thanks all and sorry for confusing everyone.


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