By Clint Mansell, Lux Aeterna the song was the soundtrack theme for the movie Requiem For A Dream. The name is Latin, meaning "Eternal Light". The song itself is a beautiful full orchestra piece with suspense building in the beginning and ending awesomely with a full choir added to the mix.
Look this song up right now and listen to it!
by nico1647 January 23, 2014