4 texidoc = "Partcombiner and grace notes can go together."
6 \paper { raggedright= ##t }
9 \context StaffGroup = group <
10 \context Staff = instrument <
11 \context Voice=one \partcombine Voice
12 \context Thread=one \notes \relative c'' {
13 c4 d e f \grace f16 g1
15 \context Thread=two \notes \relative c' {