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=USUAN1100196

MacLeod's description:

Genre: Horror
Length: 4:10
Instruments: Synth

Glimmering darkness with some smooth emergences and some sharp. Spectrally, this is all over the place. It creeps me out. 038
ISRC: US-UAN-11-00196
Dark, Unnerving, Eerie, Mystical 2006