\version "2.16.1" \include "clementi-op42-mus-L13-mozart-trio.ily" % LESSON XIII. Minuet and Trio, by Mozart. TRIO \score { \new PianoStaff << \set PianoStaff.instrumentName = #"Trio" \new Staff = "upper" \LessonXIIIUpperB \new Staff = "lower" \LessonXIIILowerB >> \layout { indent = 10\mm } }