Listen to The Great Service: Magnificat online. The Great Service: Magnificat is an English language song and is sung by Manchester Cathedral Choir. The Great Service: Magnificat, from the album Parry, H.: Choral Masterpieces - Songs of Farewell / I Was Glad / Jerusalem, was released in the year 2009. The duration of the song is 8:05. Download English songs online from JioSaavn.