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=USUAN1100575

MacLeod's description:

Genre: Horror
Length: 3:13
Instruments: Piano, synths

This is a dark, almost inky feel - subtle, and texturally rich. 037
ISRC: US-UAN-11-00575
Dark, Eerie, Mysterious 2009