Music by Kevin MacLeod. Available under the Creative Commons Attribution 3.0 Unported license: https://creativecommons.org/licenses/by/3.0/. Download link: https://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100501

MacLeod's description:

Genre: Soundtrack
Length: 2:26
Instruments: Kit, Trombones, French Horns, Strings
Tempo: 128

A sound track piece with Kit and Trombones/French Horns throughout. This piece includes sections from a public domain (librivox) reading of "The Second Coming."
ISRC: US-UAN-11-00501
Eerie, Mysterious, Unnerving 2008