On Fri, 29 Mar 2024 at 22:31, Knute Snortum <ksnor...@gmail.com> wrote: > > This looks like a very old bug that LilyPond has. Basically, if you have a grace note starting a measure in one staff, you have to have one on all staves, even if it's just a spacer. So adding this to the melody will fix the problem:
Exactly. https://gitlab.com/lilypond/lilypond/-/issues/34 This is documented in NR 1.2.6 Special rhythmic concerns > Grace notes > Known issues and warnings Kind regards, Xavier
