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=USUAN1100159

MacLeod's description:

Genre: Horror
Length: 0:50
Instruments: Organ

Pipe organ mini-fuge. 044
ISRC: US-UAN-11-00159
Dark, Somber, Mysterious 2006