\score {
  \header {
    title = "Fröhlich soll mein Herze springen"
    poet = "Paul Gerhardt (1607-1676)"
    composer = "Melodie: Johann Crüger: 1656"
  }
  \new ChoirStaff \transpose f e <<
    \set Score.skipBars = ##t
    \new Staff
    <<
      \new Voice = "sopran"    { \globalI \voiceOne \sopranMelodie }
      \new Voice = "alt"       { \globalI \voiceTwo \altMelodie }
    >>
    ifdef(`STR_1',`\new Lyrics = "textEins" {}')
    ifdef(`STR_2',`\new Lyrics = "textZwei" {}')
    ifdef(`STR_3',`\new Lyrics = "textDrei" {}')
    ifdef(`STR_5',`\new Lyrics = "textFuenf" {}')
    ifdef(`STR_6',`\new Lyrics = "textSechs" {}')
    ifdef(`STR_7',`\new Lyrics = "textSieben" {}')
    ifdef(`STR_9',`\new Lyrics = "textNeun" {}')
    ifdef(`STR_11',`\new Lyrics = "textElf" {}')
    \new Staff = "maenner" <<
      \new Voice = "tenor"     { \globalI \clef "bass" \voiceOne \tenorMelodie }
      \new Voice = "bass"      { \globalI \clef "bass" \voiceTwo \bassMelodie }
    >>
    ifdef(`STR_1',`\context Lyrics = "textEins"   \lyricsto "bass" \textI')
    ifdef(`STR_2',`\context Lyrics = "textZwei"   \lyricsto "bass" \textII')
    ifdef(`STR_3',`\context Lyrics = "textDrei"   \lyricsto "bass" \textIII')
    ifdef(`STR_5',`\context Lyrics = "textFuenf"  \lyricsto "bass" \textV')
    ifdef(`STR_6',`\context Lyrics = "textSechs"  \lyricsto "bass" \textVI')
    ifdef(`STR_7',`\context Lyrics = "textSieben" \lyricsto "bass" \textVII')
    ifdef(`STR_9',`\context Lyrics = "textNeun"   \lyricsto "bass" \textIX')
    ifdef(`STR_11',`\context Lyrics = "textElf"    \lyricsto "bass" \textXI')
  >>
  \layout {
    indent = #0
  }
}