\version "2.16.1" \include "clementi-op42-mus-L23-pleyel-theme.ily" % LESSON XXIII. German Hymn, with Variations by Pleyel. \book { \bookOutputName "clementi-op42-les23-pleyel-theme" \score { \unfoldRepeats \new PianoStaff << \new Staff = "upper" \LessonXXIIIUpperA \new Staff = "lower" \LessonXXIIILowerA >> \midi { } } }