Original tekst: O Magnum Mysterium. A Cappella sheet music. Advanced. O Magnum Mysterium composed by Richard Busch. For SATB choir, a cappella.
Oversættelse: En Cappella noder. Avanceret. For SATB kor, a capella. Kor, advent, jul. Medium Svær. Choral octavo. Udgivet af Parakleten Press. PL.0321.