Are you talking about repeats within a song or repeating the entire song.

For eliminating repeats within a song try edit/song form/unfold, numbers 1-3 in picture.

For eliminating the entire song repeating change the number of measures and repeats, number 4. Or click on the loop icon and make your selection there, numbers 1-2 in pic #2.

I hope this helps.

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I'm no longer allowed to go caroling at the psych hospital.
I guess Do You Hear What I Hear was a bad song choice!

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