\version "2.18.2"

\paper {
  #(set-paper-size "a6")
  bookTitleMarkup = \markup \with-color #red \bookTitleMarkup
  scoreTitleMarkup = \markup \with-color #green \scoreTitleMarkup
}

\header {
  title = "Morning Canticles"
  composer = "Edward Elgar (1857–1934)"
}
\score {
  \new ChoirStaff <<
    \new Staff { s1 }
    \new Staff { \clef "bass" s1 }
  >>
  \header {
    opus = "Op.34 no.1 (1897)"
    piece = "Te Deum laudamus"
  }
}
\score {
  \new ChoirStaff <<
    \new Staff { s1 }
    \new Staff { \clef "bass" s1 }
  >>
  \header {
    opus = "Op.34 no.2 (1897)"
    piece = "Benedictus"
  }
}