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=USUAN1100287

MacLeod's description:

Genre: Contemporary
Length: 3:56

Solo vintage electric piano. Not quite supernatural... more like surreal. Slow with descending arpeggios. 041
ISRC: US-UAN-11-00287
Relaxed, Eerie, Mystical, Calming 2005