--- /dev/null
+\header {
+ texidoc = "SpanBars participate in the horizontal collision system;
+the accidentals should not collide with the bar lines."
+}
+
+\version "2.11.34"
+
+upper = \relative c' {
+ \key f \minor \time 12/8
+ r4. r8 r r r r r r r r
+ e8 e e e e e e e e e e e
+ e, e'! e! e! e! e! e! e! e! e! e! e!
+}
+
+lower = { R1. R1. R1. }
+
+\new PianoStaff << \new Staff \upper \new Staff \lower >>
+
. (
(break-align-symbol . staff-bar)
(Y-extent . ,ly:axis-group-interface::height)
+ (cross-staff . #t)
(layer . 0)
(non-musical . #t)
(stencil . ,ly:span-bar::print)