On Sun 28 Aug 2022 at 10:33:30 (+1000), Andrew Bernard wrote: > I suppose there is a way to do this but the concept is strange. I have > never seen any edition do this. Why? Speaking as an organist if I came > across this I would have to spend time working out what in earth the > bracketed number means. What does it add to the score in any practical > sense?
If I'm playing/singing from a copy with unfolded repeats, and we want to start at measure 42, somewhere in the middle of your 2nd-time repeat, you wouldn't find any number close to 42 in your copy without this or a similar notation. I'd consider it mainstream. Turn to the opening of Sussex Carol in 100 Carols for Choirs (OUP) for an example that countless people will have on their shelves. Cheers, David.