\version "2.12.2" \include "defs.ly" \include "beet_sextetc_1.ly" \include "beet_sextetc_2.ly" \include "beet_sextetc_3.ly" notesI = \CelloI notesII = \CelloII notesIII = \CelloIII instrument = "Cello" \include "part.ly"