Hi, an Appogiatura seems to move the breath sign in other voices:
I remembered stumbling upon this, but didn't find the solution anymore :( Best, J ---8<---------------------- \version "2.24.0" \relative c'' { << \new Staff \new Voice { \time 3/8 d4. \breathe d8 d d d4. \breathe d8 d d } \new Staff { \time 3/8 d4. \breathe \appoggiatura e8(d) d d d4. \breathe d8 d d } >> } ---8<----------------------