Clef change at the beginning of a piece
…treble clef \once \set Staff.middleCClefPosition = -6 % Append change clef to the time signature \once \override Staff.TimeSignature.… …hspace #1.2 \raise #1 \musicglyph "clefs.F_change" } \once \override Staff.TimeSignature.stencil = #(lambda (grob) (append-markup grob (ly:time-signature::print grob))) } bassToTreble = { \clef treble % Fake staff clef appearance \once \override Staff.… …bass clef \once \set Staff.middleCClefPosition = 6 % Append change clef to the time signature \once \override Staff.TimeSignature.…