3 \property Voice.slurVerticalDirection = #1 c()a d()g,\break
4 \property Voice.slurVerticalDirection = #-1 c()a d()g,\break
5 \property Voice.slurVerticalDirection = #1 a()c d()g,\break
6 \property Voice.slurVerticalDirection = #-1 a()c d()g,\break
7 \property Voice.slurVerticalDirection = #-1 a()c d()g,\break