\paper { tagline = ##f }

SopranoMusic = \relative g' {
  g1 | c2 b | a1 | \bar "||"
  a1 | d2 c | c b | c1 | \bar "||"
}

AltoMusic = \relative c' {
  e1 | g2 g | f1 |
  f1 | f2 e | d d | e1 |
}

TenorMusic = \relative a {
  c1 | c2 c | c1 |
  d1 | g,2 g | g g | g1 |
}

BassMusic =  \relative c {
  c1 | e2 e | f1 |
  d1 | b2 c | g' g | c,1 |
}

global = {
  \time 2/2
}

dot = \markup {
  \raise #0.7 \musicglyph "dots.dot"
}

tick = \markup {
  \raise #1 \fontsize #-5 \musicglyph "scripts.rvarcomma"
}

% Use markup to center the chant on the page
\markup {
  \fill-line {    
    \score {  % centered
      <<
        \new ChoirStaff <<
          \new Staff <<
            \global
            \clef "treble"
            \new Voice = "Soprano" <<
              \voiceOne
              \SopranoMusic
            >>
            \new Voice = "Alto" <<
              \voiceTwo
              \AltoMusic
            >>
          >>
          \new Staff <<
            \clef "bass"
            \global
            \new Voice = "Tenor" <<
              \voiceOne
              \TenorMusic
            >>
            \new Voice = "Bass" <<
              \voiceTwo
              \BassMusic
            >>
          >>
        >>
      >>
      \layout {
        \context {
          \Score
          \override SpacingSpanner.base-shortest-duration =
                      #(ly:make-moment 1/2)
        }
        \context {
          \Staff
          \remove "Time_signature_engraver"
        }
      }
    }  % End score
  }
}  % End markup

\markup {
  \fill-line {
    \column {
      \left-align {
        \null \null \null
        \line {
          \fontsize #5 O
          \fontsize #3 come
          let us \bold sing | unto \dot the | Lord : let
        }
        \line {
          us heartily
          \concat { re \bold joice }
          in the | strength of | our
        }
        \line {
          sal | vation.
        }
        \null
        \line {
          \hspace #2.5 8. Today if ye will hear his voice *
        }
        \line {
          \concat { \bold hard en }
          \tick not your \tick hearts : as in the pro-
        }
        \line {
          vocation * and as in the \bold day of tempt- \tick
        }
        \line {
          -ation \tick in the \tick wilderness.
        }
      }
    }
  }
}