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=USUAN1100379

MacLeod's description:

Genre: Horror
Length: 2:08
Instruments: Synths, Percussion

A piece in 7/8 time with 2-measure phrasing. Very dark and round sounding with randomly placed percussions. 038
ISRC: US-UAN-11-00379
Dark, Mysterious, Unnerving 2007