Rule ClefName ( ) { return Sequence ( FirstOfS ( IgnoreCase ( "treble" ) , IgnoreCase ( "alto" ) , IgnoreCase ( "tenor" ) , IgnoreCase ( "baritone" ) , IgnoreCase ( "bass" ) , IgnoreCase ( "mezzo" ) , IgnoreCase ( "soprano" ) , IgnoreCase ( "perc" ) , IgnoreCase ( "none" ) ) , OptionalS ( Octave ( ) ) ) . label ( ClefName ) . suppressSubnodes ( ) ; }
Maybe also Doh1 - 4 Fa1 - 4