Original: Unlatch the Bolt That Locks the Door. Tritt Aud Den Riegel Von Der Tur - S.S.A.T.B., A Cappella. Orlande De Lassus. 1532-1594.
Translation: If the latch Aud From The Door - SSATB, a cappella. Voice sheet music. Choir sheet music. Composed by Orlande De Lassus. SATB chorus.