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=USUAN1100633

MacLeod's description:

Genre: Soundtrack
Length: 3:56
Instruments: Piano, Synths, Solo Voice

Highly processed piano with lots of subtle synths and vocal effects. Grows in intensity after the 3 minute mark, then calms again.
ISRC: US-UAN-11-00633
Calming, Mysterious, Mystical, Somber 2009