\score {
  \header {
    title = "Geh aus, mein Herz, und suche Freud"
    poet = "Text: Paul Gerhardt (1607-1676)"
    composer = "Weise: Augustin Harder (1775-1813)"
  }
  \new ChoirStaff <<
    \new Staff
    <<
      \set Score.skipBars = ##t
      \new Voice = sopran { \global \voiceOne \sopranMelodie }
      \new Voice = alt    { \global \voiceTwo \altMelodie }
    >>
    ifdef(`STR_1',`\new Lyrics \lyricsto sopran { \textI }')
    ifdef(`STR_2',`\new Lyrics \lyricsto sopran { \textII }')
    ifdef(`STR_3',`\new Lyrics \lyricsto sopran { \textIII }')
    ifdef(`STR_4',`\new Lyrics \lyricsto sopran { \textIV }')
    ifdef(`STR_5',`\new Lyrics \lyricsto sopran { \textV }')
    ifdef(`STR_6',`\new Lyrics \lyricsto sopran { \textVI }')
    ifdef(`STR_7',`\new Lyrics \lyricsto sopran { \textVII }')
    ifdef(`STR_8',`\new Lyrics \lyricsto sopran { \textVIII }')
    ifdef(`STR_9',`\new Lyrics \lyricsto sopran { \textIX }')
    ifdef(`STR_10',`\new Lyrics \lyricsto sopran { \textX }')
    \new Staff <<
      \new Voice = tenor  { \global \clef "bass" \voiceOne \tenorMelodie }
      \new Voice = bass   { \global \clef "bass" \voiceTwo \bassMelodie }
    >>
  >>
  \layout {
    indent = #0
  }
}