\version "2.16.1" %\include "articulate.ly" %--articulate script generates MIDI errors and misalignemnt in sound output (v2.16.1)- disabled \include "clementi-op42-mus-L15-scarlatti.ily" % LESSON XV. Larghetto by Scarlatti. \book { \bookOutputName "clementi-op42-les15-scarlatti-lrghetto" \score { % LESSON XV: Largo de Scarlatti MIDI \unfoldRepeats %\articulate \new PianoStaff << \new Staff = "upper" \LessonXVUpperB \new Staff = "lower" \LessonXVLowerB >> \midi { } } }