- \property Voice.Stem \set #'direction = #-1
- \property Voice.Tie \set #'direction = #-1
- \property Voice.Slur \set #'direction = #-1
- \property Voice.Slur \set #'attachment = #'(head . head)
+ \override Stem #'direction = #-1
+ \override Tie #'direction = #-1
+ \override Slur #'direction = #-1
+ \override Slur #'attachment = #'(head . head)