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=USUAN1100017

MacLeod's description:

Genre: Soundtrack
Length: 5:24

Smooth background music... Float-y feeling. 045
ISRC: US-UAN-11-00017
Calming, Mysterious, Eerie, Mystical 2005