\relative c' {
% Prevent bar numbers at the end of a line and permit them elsewhere
- \override Score.BarNumber #'break-visibility = #end-of-line-invisible
+ \override Score.BarNumber #'break-visibility = #end-of-line-invisible
\set Score.barNumberVisibility = #(every-nth-bar-number-visible 4)
% Increase the size of the bar number by 2