4 \context Voice \notes\relative c'' {
6 \times 2/3 { [c8 c c] }
7 \times 2/3 { c8 [c c] }
9 \property Voice .tupletBracketVisibility = #'if-no-beam
10 \times 2/3 { [c8 c c] }
11 \property Voice .tupletDirection = #1
12 \property Voice .tupletNumberVisibility = ##f
13 \times 2/3 { c8 [c c] }