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=USUAN1100846

MacLeod's description:

Genre: Soundtrack
Length: 3:53
Instruments: Cellos, Mandolin, Percussion, Violins
Tempo: 54

Vaguely medieval overtones. The opening section repeats in the second half with violins added.
ISRC: US-UAN-11-00846
Eerie, Epic, Mystical, Somber 2011