Grupos de pentagramas alineados verticalmente sin barra inicial de conexión

Este fragmento muestra cómo conseguir StaffGroups alineados verticalmente con un SystemStartBar por cada StaffGroup, pero sin conectarlos entre sí.

Observe que esto solo funciona correctamente para música que quepa completamente dentro de un único sistema.

#(set-global-staff-size 15)

\paper {
  ragged-right = ##f
  print-all-headers = ##t
  tagline = ##f
}

\layout {
  indent = 0

  \context {
    \StaffGroup
    \consists Text_mark_engraver
    \consists Staff_collecting_engraver
    systemStartDelimiterHierarchy =
      #'(SystemStartBrace (SystemStartBracket a b))
  }

  \context {
    \Score
    \remove Text_mark_engraver
    \remove Staff_collecting_engraver
    \override SystemStartBrace.style = #'bar-line
    \omit SystemStartBar
    \override SystemStartBrace.padding = #-0.1
    \override SystemStartBrace.thickness = #1.6
    \override StaffGrouper.staffgroup-staff-spacing.basic-distance = #15
  }
}

%%%% EXAMPLE

txt =
\lyricmode {
  Wer4 nur den lie -- ben Gott läßt wal2 -- ten4
  und4 hof -- fet auf ihn al -- le Zeit2.
}

% First StaffGroup "exercise"

eI = \relative c' {
  \textMark \markup {
    \bold Teacher:
    This is a simple setting of the choral. Please improve it. }
  \key a \minor
  \time 4/4
  \voiceOne

  \partial 4 e4
  a b c b
  a b gis2
  e4\fermata g! g f
  e a a gis
  a2.\fermata
  \bar ":|."
}

eII = \relative c' {
  \key a \minor
  \time 4/4
  \voiceTwo
  \partial 4 c4
  e e e gis
  a f e2
  b4 b d d
  c c d d
  c2.
  \bar ":|."
}

eIII = \relative c' {
  \key a \minor
  \time 4/4
  \clef bass
  \voiceOne

  \partial 4 a4
  c b a b
  c d b2
  gis4 g g b
  c a f e
  e2.
}

eIV = \relative c' {
  \key a \minor
  \time 4/4
  \clef bass
  \voiceTwo

  \partial 4 a,4
  a' gis a e
  a, d e2
  e,4\fermata e' b g
  c f d e
  a,2.\fermata
  \bar ":|."
}

exercise = \new StaffGroup = "exercise" <<
  \new Staff <<
    \new Voice \eI
    \new Voice \eII
  >>

  \new Lyrics \txt

  \new Staff <<
    \new Voice \eIII
    \new Voice \eIV
  >>
>>


% Second StaffGroup "simple Bach"

sbI = \relative c' {
  \textMark \markup { \bold" Pupil:" Here's my version! }
  \key a \minor
  \time 4/4
  \voiceOne

  \partial 4 e4
  a b c b
  a b gis2
  e4\fermata g! g f
  e a a gis
  a2.\fermata
  \bar ":|."
}

sbII = \relative c' {
  \key a \minor
  \time 4/4
  \voiceTwo
  \partial 4 c8 d
  e4 e e8 f g4
  f f e2
  b4 b8 c d4 d
  e8 d c4 b8 c d4
  c2.
  \bar ":|."
}

sbIII = \relative c' {
  \key a \minor
  \time 4/4
  \clef bass
  \voiceOne

  \partial 4 a8 b
  c4 b a b8 c
  d4 d8 c b2
  gis4 g g8 a b4
  b a8 g f4 e
  e2.
}

sbIV = \relative c' {
  \key a \minor
  \time 4/4
  \clef bass
  \voiceTwo

  \partial 4 a,4
  a' gis a e
  f8 e d4 e2
  e,4\fermata e' b a8 g
  c4 f8 e d4 e
  a,2.\fermata
  \bar ":|."
}

simpleBach = \new StaffGroup = "simple Bach" <<
  \new Staff <<
    \new Voice \sbI
    \new Voice \sbII
  >>

  \new Lyrics \txt

  \new Staff <<
    \new Voice \sbIII
    \new Voice \sbIV
  >>
>>


% Third StaffGroup "chromatic Bach"

cbI = \relative c' {
  \textMark \markup {
    \bold "Teacher:"
    \column {
      "Well, you simply copied and transposed a version of J.S.Bach."
      "Do you know this one?"
    }
  }
  \key a \minor
  \time 4/4
  \voiceOne

  \partial 4 e4
  a b c b
  a b gis4. fis8
  e4\fermata g! g f
  e a a8 b gis4
  a2.\fermata
  \bar ":|."
}

cbII = \relative c' {
  \key a \minor
  \time 4/4
  \voiceTwo

  \partial 4 c8 d
  e4 e e8 fis gis4
  a8 g! f!4 e2
  b4 e e d
  d8[ cis] d dis e fis e4
  e2.
  \bar ":|."
}

cbIII = \relative c' {
  \key a \minor
  \time 4/4
  \clef bass
  \voiceOne

  \partial 4 a8 b
  c[ b] a gis8 a4 d,
  e8[ e'] d c b4. a8
  gis4 b c d8 c
  b[ a] a b c b b c16 d
  c2.
}

cbIV = \relative c' {
  \key a \minor
  \time 4/4
  \clef bass
  \voiceTwo

  \partial 4 a4
  c, e a, b
  c d e2
  e4\fermata e a b8 c
  gis[ g] fis f e dis e4
  a,2.\fermata
  \bar ":|."
}

chromaticBach = \new StaffGroup = "chromatic Bach" <<
  \new Staff <<
    \new Voice \cbI
    \new Voice \cbII
  >>

  \new Lyrics \txt

  \new Staff <<
    \new Voice \cbIII
    \new Voice \cbIV
  >>
>>


% Score

\score {
  <<
    \exercise
    \simpleBach
    \chromaticBach
  >>

  \header {
    title = \markup \column {
              \combine \null \vspace #1
              "Exercise: Improve the given choral"
              " "
            }
  }

  \layout {
    \context {
      \Lyrics
      \override LyricText.X-offset = #-1
    }
  }
}
[image of music]

LilyPond snippets v2.25.32 (development-branch).