How did you make the copy of the songfile?

I would use Explorer to highlight, Copy and Paste the file to another folder. I would then change its name slightly so I could tell the two apart.

Attempts to Copy and Paste from inside BiaB are not likely to copy all the data needed, such as Patches, etc.

Also, be advised that attempts to Copy an already corrupted song file would likely only copy the corruption as well. Sometimes a song file becomes corrupted from heavy editing sessions or perhaps running out of resources during long sessions - or if the program crashes or freezes while working on that particular file - and the only cure for that I have found is to hit New and start all over again, entering the song from scratch.

--Mac

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