\version "2.13.10"

\header {
title = "Extra-Staves" 
tagline = " "
	}
	
stemOn = { \revert Staff.Stem #'transparent }
stemOff = { \override Staff.Stem #'transparent = ##t }	

\paper {
#(set-paper-size "a4")
left-margin = 30\mm
right-margin = 20\mm	
top-margin = 10\mm
ragged-bottom = ##t
ragged-last-bottom = ##t

	}
	
#(set-global-staff-size 16)

global =
{
\key g \major
\override Staff.TimeSignature #'style = #'()
 }
 AllT = 
\relative c'
{
\time 2/4
\once \override TextScript #'outside-staff-padding = #1.5
  d'2^\markup  {  \hspace #-8  \bold  \large "All" }
 d4  d d2^\fermata
\bar "||" 
 }
 Twords = \lyricmode
 { A B C D }
 
 sopranoT = 
 \relative c'
 {
 \once \override TextScript #'outside-staff-padding = #1.5	 
 d'2^\markup  {  \vspace #1 \hspace #-7  \bold  \large "Choir" } d4 d4 d2^\fermata	 
 }
 altoT = 
 \relative c'
 {
 g'2 g4 g4 g2	 
 }
 tenorT =
 
 \relative c
 {
 	 \clef bass
 d'2 d4 d4 d2	
 }
 bassT =
 \relative c
 {
 g'2 g4 g4 g2_\fermata	 
 }
\score {  
 \new StaffGroup <<
      % Must be lower than the actual number of staff lines
  \override StaffGroup.SystemStartBracket #'collapse-height = #4
  \override Score.SystemStartBar #'collapse-height = #4

\new Staff 
\with {   \remove Time_signature_engraver }
\relative c'
 {
 	\override Staff.BarLine #'transparent = ##t
\stemOff
\key g \major
\time 4/4
\once \override TextScript #'outside-staff-padding = #1.5
  g'2 s g4( s g) s g2 s
\override Staff.BarLine #'transparent = ##f
\bar "||" 

<<
 
 \new Voice = "sopranos" {   << \stemOn   \AllT >> }
 \new Lyrics \lyricsto sopranos \Twords
 
 \new PianoStaff 
%\new StaffGroup
  <<
  \new Staff
  <<
  \new Voice = sopranos { << \voiceOne \global \sopranoT >> }
  \new Lyrics = sopranos { s1 }
  \new Voice = alto { << \voiceTwo \global \altoT >> }
  	  >>
 \new Staff  
 << 
 \new Voice = tenor { <<  \voiceOne \global \tenorT >> }
 \new Voice =bass { <<  \voiceTwo \global \bassT >> }
  	  >>
  	
  	  \context Lyrics = sopranos \lyricsto sopranos \Twords
 >>
 
 >>
 }
 \addlyrics
 { A B C }
 >>
 
 
\layout {
\context { \PianoStaff \accepts "Lyrics" }
ragged-right = ##f
indent = 0
  }
 }