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=USUAN1100259

MacLeod's description:

Genre: Soundtrack
Length: 0:52
Instruments: Flutes, Alto Flute, Clarinet
Tempo: 72

Broad minor chords moving slowly in parallel. Reminds me of Holst. 035
ISRC: US-UAN-11-00259
Eerie, Mysterious, Mystical 2007