I got the same results as Noel. BiaB is reading the entire measure as Am7 because of the common notes between the two chords, i.e. C-E-G.

There is a workaround IF you need the correct chords before BiaB fixes the problem. Select the beat 3 of the second measure and click ctrl F2, then type C. BiaB will add the C chord. Do this for all missing C chords OR copy and paste the corrected measure where needed.

Good luck


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64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware