\time 3/4 \tag #'horn-A { \key c \major \set Staff . instrumentTransposition = #(ly:make-pitch -1 5 0) \clef treble } \tag #'horn-D { \key c \major \set Staff . instrumentTransposition = #(ly:make-pitch -1 1 0) \clef treble } \tag #'other \key a \major \scoreTempo \markup "Non troppo allegro." s2.*64 \bar "|."