Different font size settings for instrumentName and shortInstrumentName
Choose different font sizes for instrumentName and shortInstrumentName as a context override.
InstrumentNameFontSize = #(define-music-function (font-size-pair)(pair?) "Sets the @code{font-size} of @code{InstrumentName}. The font-size for the initial @code{instrumentName} is taken from the first value in @var{font-size-pair}. @code{shortInstrumentName} will get the second value of @var{font-size-pair}. " ;; This code could be changed/extended to set different values for each ;; occurance of `shortInstrumentName' #{ \override InstrumentName.after-line-breaking = #(lambda (grob) (let* ((orig (ly:grob-original grob)) (siblings (if (ly:grob? orig) (ly:spanner-broken-into orig) '()))) (if (pair? siblings) (begin (ly:grob-set-property! (car siblings) 'font-size (car font-size-pair)) (for-each (lambda (g) (ly:grob-set-property! g 'font-size (cdr font-size-pair))) (cdr siblings)))))) #}) \paper { tagline = ##f } \layout { \context { \Staff \InstrumentNameFontSize #'(6 . -3) } } \new StaffGroup << \new Staff \with { instrumentName = "Flute" shortInstrumentName = "Fl." } { c''1 \break c'' \break c'' } \new Staff \with { instrumentName = "Violin" shortInstrumentName = "Vl." } { c''1 \break c'' \break c'' } >>