\relative c' { c4 d e f \time 3/4 g a b \time 4/4 c b a g \time 6/8 f8 e d c d e \time 2/8 R4 \time 4/8 c8 d e f \time 5/4 g4 a b c2 } \layout { \context { \Staff \consists "Measure_grouping_engraver" } }