Choral version of Agnus Dei sung to the theme of Samuel Barbers Adagio for strings. Performed by The Choir of Trinity College, Cambridge, UK, directed by Richard Marlow.There's no video with this, so open this in another window or tab and just listen while you browse TYWKIWDBI. Hauntingly beautiful.
Barber's Adagio for Strings was played at the funeral of Princess Grace of Monaco. It has also been included in the sound tracks of movies such as Amelie, The Elephant Man, and Platoon.
Link to the Trinity College Choir.