Spacing out percent repeats with hidden notes
If you don't like the spacing used for percent repeats, you can enlarge the percent bars by suitably adding hidden notes.
\version "2.24.0"
%% http://lsr.di.unimi.it/LSR/Item?id=11
\new Staff <<
\new Voice {
\repeat percent 3 \relative c'' { e e e e }
\repeat percent 3 \relative c'' { e e e e }
}
\new Voice {
s1 s s
s1 \hideNotes \repeat unfold 8 c4 \unHideNotes
}
>>