\key fa \major \time 2/2 \partial 2 s2 s1*3 s2 \bar ":|:" s2 s1*7 \firstAndSecondTime { \set Score.measureLength = #(ly:make-moment 2 4) s2 } { \set Score.measureLength = #(ly:make-moment 4 4) s1 } s1*3 \set Score.measureLength = #(ly:make-moment 2 4) s2 \bar "|."