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=USUAN1100034

MacLeod's description:

Genre: Horror
Length: 1:14
Instruments: Piano

Background horror music. Solo piano; low and loud. 038
ISRC: US-UAN-11-00034
Dark, Unnerving, 2005