\version "2.18.0"

#(set-global-staff-size 20)
\include "score_glb.ily"

%%%%%%%%%%

\include "stabat_mater.instr_ily"
\include "stabat_mater_09b.ily"
\include "clefs.ily"
PS = { s1*21 \break }
musAlt = <<
  \musAlt
  {
    s1*61 |
    \once\override MultiMeasureRest.staff-position = #-8
  }
>>
initCan = { \voiceOne \clef treble }
initAlt = { \voiceTwo \clef treble }
initTen = { \voiceOne \clef bass \override MultiMeasureRest.staff-position = #6 }
initBas = { \voiceTwo \clef bass }
\include "stabat_mater.staff_ily"

\score {
  \header { piece = \hdrak }
  <<
    \scorePre
    \scoreLcl
    \new GrandStaff <<
      \new Staff << \PS \BS \voiceCan \voiceAlt >>
      \new Staff << \PS \BS \voiceTen \voiceBas >>
    >>
  >>
  \layout {
    \context {
      \Staff
      \consists "Merge_rests_engraver"
    }
  }
}