> On Apr 2, 2022, at 8:22 AM, Jacques Menu <imj-muz...@bluewin.ch> wrote: > The default Lilypond in Frescobaldi is: > > /Applications/LilyPond/lilypond-2.23.6/bin/lilypond > > With: > > \paper { > #(define fonts > (set-global-fonts > #:music "lilyjazz" > #:brace "lilyjazz" > #:roman "lilyjazz-text" > #:sans "lilyjazz-chord" > #:factor (/ staff-height pt 20) > )) > } Try explicitly defining the path to the fonts relative to the main Lilypond directory, maybe, rather than just the font name (e.g., ../../lilyjazz)? I had to do that as shown in the example I posted in order to get it to work.