\markup {
  \vspace #2
  \fill-line {
    \center-column {
      \large \bold "{{ tune.header.title | safe }}"
      {% if tune.header.composer %}
      "{{ tune.header.composer | safe }}"
      {% endif %}
    }
  }
}
{% if tune.score_source is not none %}
\score {
  \language "english"
  <<
{{ tune.score_source | safe }}
  >>
}
{% endif %}
{% if tune.lyrics is not none %}
{% for line in tune.lyrics.lines %}
\markup {
  \vspace #2
  \fill-line {
    {% for paragraph in line.paragraphs %}
    \hspace #1
    \center-column {
        {% for line in paragraph.lines %}
        \line { {{ line | safe }} }
        {% endfor %}
    }
    {% endfor %}
    \hspace #1
  }
}
{% if loop.index < tune.lyrics.lines|length %}
\markup {
  \vspace #1
  \fill-line {
    \override #'(span-factor . 4/9)
    \draw-hline
  }
}
{% endif %}
{% endfor %}
{% endif %}