+"
+ doctitle = "Adding an extra staff"
+} % begin verbatim
+\score {
+ <<
+ \new Staff \relative c'' { c1 c c c c }
+ \new StaffGroup \relative c'' {
+ \new Staff {
+ c1 c
+ << c1 \new Staff { \once \override Staff.TimeSignature #'stencil = ##f c1 } >>
+ c
+ }
+ }
+ >>
+}