\version "2.14.2" inst = "trombone" minst = #"trombone" linst = \markup { \column {"Tromboni Alto" \line {"e Tenore"}} } hinst = "Tromboni Alto e Tenore" sinst = "Trbi." notes = {\clef "alto" \partcombine \trombonealto \trombonetenor}