I understand Bob and that's not the case. I'm no more than 5 bpm off in any of the songs. Also, it's happening more on midi piano than realtracks. The passages affected occur at the beginning or near the end of songs, if that helps.

As for specifics, this problem is so sudden and bizarre that it caught me by surprise and I do not know what could have contributed (RB seemed to be the culprit only because so many of the affected songs had exhibited other problems in it). The BiaB problem manifests after a song has been successfully generated and saved (no problem), and then re-opened days later (problem).

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