\version "2.11.44"

#(set-default-paper-size "a4")
#(set-global-staff-size 16)
#(ly:set-option 'point-and-click #f)

\header {
  title = "Using line-break-system-details with lyrics"
}
\paper {
  #(define page-breaking ly:minimal-breaking)
}
\paper {
  ragged-bottom = ##f
  ragged-last-bottom = ##f
}
\layout {
   \context { \Score
     \override NonMusicalPaperColumn #'line-break-system-details = #'((alignment-offsets . (
              0     -5.5    ; S + lyrics
             -9.5  -15      ; A + lyrics
            -19    -24.5    ; T + lyrics
            -28.5  -34      ; B + lyrics
            -41    -49      ; OI R+L
            -59    -67 -75  ; OII R+L+Bass
            )))
   }
}

musicI = \relative c' {c4 d e f |\break R1 | \break c'4 b a g |\break f e d c\bar"|."}
musicIb = \relative c' {c4 d e f |\break g a b c | \break R1 |\break f,4 e d c\bar"|."}
musicII = \relative c {c4 d e f |\break g4 a b c | \break c b a g |\break R1 \bar"|."}
lyr = \lyrics { a b c d e f g h i j k l m n o p q }
#(define-markup-list-command (paragraph layout props args) (markup-list?)
   (let ((indent (chain-assoc-get 'par-indent props 2)))
     (interpret-markup-list layout props
       (make-justified-lines-markup-list (cons (make-hspace-markup indent)
                                               args)))))

\markuplines { \paragraph { When you use line-break-system-details to force a fixed spacing of
  all the staves, this fatally breaks with lyrics: If one staff line does
  not have any lyrics attached, the lyrics position is used for the next staff, 
  which is thus placed far too close to the previous staff!} }
  
\score {
  <<
    \context ChoirStaff="ChSt" <<
      \context Staff="SSt" << \new Voice=SV \musicI >>
      \lyricsto "SV" \lyr
      \context Staff="ASt" << \new Voice=AV \musicIb >>
      \lyricsto "AV" \lyr
      \context Staff="TSt" << \new Voice=TV {\clef "treble_8" \musicII} >>
      \lyricsto "TV" \lyr
      \context Staff="BSt" << \new Voice=BV {\clef "bass" \musicII} >>
      \lyricsto "BV" \lyr
    >>
    \context PianoStaff="OISt" <<
      \context Staff="OIRSt"  \musicI
      \context Staff="OILSt"  {\clef "bass" \musicII}
    >>
%{    <<
      \context PianoStaff="OIISt"  <<
        \context Staff="OIIaSt"  \musicI
        \context Staff="OIIbSt"  {\clef "bass" \musicII}
      >>
      \context Staff="OIIBSt"  {\clef "bass" \musicII}
    >>%}
  >> 
}