Music by Kevin MacLeod. Available under the Creative Commons Attribution 3.0 Unported license. Download link: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100397

MacLeod's description:

Genre: Soundtrack
Length: 0:53
Instruments: Synths, Choir

A quick little piece to bring out supernatural elements. 035
ISRC: US-UAN-11-00397
Eerie, Epic, Mysterious, Mystical, Unnerving 2008