[%  PROCESS purpose_processing.tt;
    IF variables;
        PROCESS "$variables";
    END;
-%]
\song{[% purpose_print ? purpose_print : purpose %]}{[% song_title -%]}{
    [% before_song -%]
    \begin{samepage}
    [% IF scores -%]
    [% IF scores.gregorian AND (gregorian OR NOT scores.congregation) -%]
        [% IF NOT gregorian -%]
        \textbf{\LARGE{Activate gregorian}}
        [% ELSE -%]
        \gregorioscore{../library/[% scores.gregorian %]}
        [% END -%]
    [% ELSE -%]
\lilypondfile{[% IF parts;
    IF parts == 'band';
        IF scores.leadsheet;
            GET "../library/${scores.leadsheet}";
        ELSE;
            GET "../library/${scores.SATB}";
        END;
    ELSIF parts == 'SATB';
        IF scores.SATB;
            GET "../library/${scores.SATB}";
        ELSE;
            GET "../library/${scores.leadsheet}";
        END;
    END;
ELSE;
    GET "../library/${scores.congregation}";
END; %]}
    [% END -%]
    [% ELSIF lyrics -%]
        [% lyrics %]
    [% END -%]
    [% IF credits -%]
        \leavevmode\\*
        [% FOREACH key = credits.keys -%]
            \[% key %]{[% credits.$key %]}
        [% END -%]
    [% END -%]
    \end{samepage}
    [% content -%]
    [% IF (meditation && meditations) || (parts && meditation) -%]
        \leavevmode\par\smallskip
        [% meditation %]
    [% END -%]
    [% IF after_song -%]
        \leavevmode\par\smallskip
        [% after_song %]
    [% END -%]
}