\version "2.16.1" \include "clementi-op42-mus-L48-prel-emaj.ily" % LESSON XLVIII. Prelude in F minor. \book { \bookOutputName "clementi-op42-les48-prel-emaj" \score { \new PianoStaff << \new Staff = "upper" { \global \LessonXLVIIIUpperPrel } \new Staff = "lower" { \global \LessonXLVIIILowerPrel } >> \midi { } } }