Different font size settings for instrumentName and shortInstrumentName
Choose different font sizes for instrumentName and shortInstrumentName as a context override.
…font-size-pair)(pair?) "Sets the @code{font-size} of @code{InstrumentName}. The font-size for the initial @code{instrumentName} is … …#'(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 …