\version "2.16.1" \include "clementi-op42-mus-L23-pleyel-v2.ily" % LESSON XXIII. German Hymn - Variation 2, by Pleyel. \book { \bookOutputName "clementi-op42-les23-pleyel-v2" \score { % LESSON XXIII: Variat. II \unfoldRepeats \articulate \new PianoStaff << \new Staff = "upper" \LessonXXIIIUpperC \new Staff = "lower" \LessonXXIIILowerC >> \midi { } } }