5 Tie detail property multi-tie-region-size controls how many variations
6 are tried for the extremal ties in a chord.
12 \time 4/4 <bis bis>1 ~ \break
14 \override Tie #'(details multi-tie-region-size) = #1
15 \time 3/4 <bis bis>2.~ \break
21 debug-tie-scoring = ##t