[%  song_title = "Heil'ges Kreuz sei hochverehret";
    credits = {
        lyrics = 'Steyr 1854, Wien 1857'
        melody = 'Graz 1855, Salzburg 1878'
    };
    scores = {
        leadsheet = 'heilges_kreuz_sei_hochverehret_leadsheet.ly'
        congregation = 'heilges_kreuz_sei_hochverehret_lz.ly'
    };
-%]