Have you tried \magnifyMusic? https://lilypond.org/doc/v2.22/Documentation/notation/inside-the-staff#selecting-notation-font-size
-- Knute Snortum -- Knute Snortum On Mon, Jun 28, 2021 at 7:22 AM Dinh Hoang Tu <dhoan...@gmail.com> wrote: > > Hello Lilypond team and users, > > I tried to combine 2 voices having identical rythm: notes of 2 voices > share same stem and same side, one note upper, other lower. > I found \partCombine is suitable for this. > Then I tried to make all notes of 2nd voice smaller, and found \tweak > can be used (I did tried \once, \single, \override, \overrideProperty > but none of them works as expected) > But the inconvenience is to tweak on every note of the 2nd voice, like below: > > \version "2.22.1" > smallNote = \tweak font-size -3 \etc > soprano = { f'4 g'4 a'4 b'4 c''2 } > basso = { \smallNote d'4 \smallNote e' \smallNote f' \smallNote g' > \smallNote a'2 } > \new Staff << \partCombineUp \soprano \basso >> > > Do we have a music function for this purpose? Or could someone help me > to create one? > > Any help is appreciated. > > Kind regards, > Tu' DINH >