\override Score.NonMusicalPaperColumn.stencil = #ly:paper-column::print
\override Score.NonMusicalPaperColumn.layer = #2
\time 2/4
\stemDown
s2
\override Score.NonMusicalPaperColumn.stencil = #ly:paper-column::print
\override Score.NonMusicalPaperColumn.layer = #2
\time 2/4
\stemDown
s2