1\version "2.19.21"
2\header {
3  texidoc = "
4Percent repeat counters can be shown at regular
5intervals by setting @code{repeatCountVisibility}.
6"
7}
8
9\relative {
10  \set countPercentRepeats = ##t
11  \set repeatCountVisibility = #(every-nth-repeat-count-visible 5)
12  \repeat percent 10 { c''1 } \break
13  \set repeatCountVisibility = #(every-nth-repeat-count-visible 2)
14  \repeat percent 6 { c1 d1 }
15}
16