Problem ordering staves

[Patrick or Cynthia Karl]

I'm trying to do a score where one group of instruments splits and plays 
different music for a while.  I guess that this might be an instance of 
ostia, but I am required to place the new music on two staves in their own 
staff group.  What I came up with is the following:

 \version 2.18.2
 
 A =   \relative b' {
   \set Staff.instrumentName = #A
 
   \repeat unfold 4 { c d e f }
   \break
   \new ChoirStaff {
   \set ChoirStaff.systemStartDelimiter = #'SystemStartBrace
   \set ChoirStaff.shortInstrumentName = #A
   \new Staff { \repeat unfold 4 { c d e f } }
   \new Staff { \repeat unfold 4 { f e d c } }
   }
 }
 
 T = \relative b' {
   \set Staff.instrumentName = #T
   \set Staff.shortInstrumentName = #T
   \repeat unfold 8 { b b b b }
 }
   
 \score {
   \new ChoirStaff 
   \new Staff { \A  }
   \new Staff { \T }
   
   \layout {\context { \Staff \RemoveEmptyStaves} }
 }

This works almost perfectly.  The only problem is that the order of the staves 
after the break is reversed from what I want, i.e., in the first system the A 
staff is above the T staff, but in the second system, the T staff is above the 
group of A staves.  I am attaching a png of the above example.

I can see that somehow the new ChoirStaff is independent of the A staff, which 
is why I am using the command \RemoveEmptyStafes; without it an empty staff 
occupies the position above the T staff.

How can I get the ChoirStaff staves to appear above the T staff in the second 
system?

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Re: Problem ordering staves

[tisimst]

Patrick or Cynthia Karl-2 wrote
 I'm trying to do a score where one group of instruments splits and plays
 different music for a while.  I guess that this might be an instance of
 ostia, but I am required to place the new music on two staves in their
 own staff group.  What I came up with is the following:
 
 \version 2.18.2
 
 A =   \relative b' {
  \set Staff.instrumentName = #A
 
  \repeat unfold 4 { c d e f }
  \break
  \new ChoirStaff {
  \set ChoirStaff.systemStartDelimiter = #'SystemStartBrace
  \set ChoirStaff.shortInstrumentName = #A
  \new Staff { \repeat unfold 4 { c d e f } }
  \new Staff { \repeat unfold 4 { f e d c } }
  }
 }
 
 T = \relative b' {
  \set Staff.instrumentName = #T
  \set Staff.shortInstrumentName = #T
  \repeat unfold 8 { b b b b }
 }
  
 \score {
  \new ChoirStaff 
  \new Staff { \A  }
  \new Staff { \T }
  
  \layout {\context { \Staff \RemoveEmptyStaves} }
 }
 
 This works almost perfectly.  The only problem is that the order of the
 staves after the break is reversed from what I want, i.e., in the first
 system the A staff is above the T staff, but in the second system, the T
 staff is above the group of A staves.  I am attaching a png of the above
 example.
 
 I can see that somehow the new ChoirStaff is independent of the A staff,
 which is why I am using the command \RemoveEmptyStafes; without it an
 empty staff occupies the position above the T staff.
 
 How can I get the ChoirStaff staves to appear above the T staff in the
 second system?

Here's how I would do it, which seems to work very well when I have had to
do something like this:

\version 2.18.2

A = \relative b' {
  \set Staff.instrumentName = #A
  \set Staff.shortInstrumentName = #A
  \repeat unfold 4 { c4 d e f }
  \break
  \repeat unfold 4 { s1 }
  \break
  \repeat unfold 4 { c4 d e f }
}

Aa = \relative b' {
  \repeat unfold 4 { s1 }
  \repeat unfold 4 { c4 d e f }
  \repeat unfold 4 { s1 }
}

Ab = \relative b' { 
  \repeat unfold 4 { s1 }
  \repeat unfold 4 { f4 e d c } 
  \repeat unfold 4 { s1 }
}

T = \relative b' {
  \set Staff.instrumentName = #T
  \set Staff.shortInstrumentName = #T
  \repeat unfold 12 { b4 b b b }
}

\score {
  \new ChoirStaff 
\new Staff { \A }
\new ChoirStaff { 
  \set ChoirStaff.systemStartDelimiter = #'SystemStartBrace
  \set ChoirStaff.shortInstrumentName = #A
  
\new Staff \Aa
\new Staff \Ab
  
}
\new Staff { \T }
  
  \layout {
\context { 
  \Staff
  \RemoveEmptyStaves
  \override VerticalAxisGroup #'remove-first = ##t  % required for this
solution
} 
  }
}

which gives:

http://lilypond.1069038.n5.nabble.com/file/n164051/temporary-staff-split-solution.png
 

Look that over and see if that philosophy works for you.

Regards,
Abraham



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