Music by Kevin MacLeod. Released into the public domain (CC Zero). Download link: http://freepd.com/Unclassified/Schmetterling

MacLeod's description:

Genre: Classical
Length: 1:03
Instruments: Pipe Organ, Choir

A giant cavernous mix of pipe organ and classical choir. German. 043
ISRC: US-UAN-11-00583
Dark, Eerie, Intense, Somber 2009