5 Volta (Semi folded) behavior. Voltas can start on non-barline moments.
6 If they don't barlines should still be shown.
12 \notes \context Voice
\relative c'' {
13 % repeat non aligning with barlines.
14 \repeat volta
3 { c^"3$\\times$ 0alt" d e }
16 \repeat volta
4 { c^"4$\\times$ 2alt" d } \alternative { e f }
18 \repeat volta
2 { c^"2$\\times$ 3alt" d } \alternative { e f g }