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=USUAN1100530

MacLeod's description:

Genre: Stings
Length: 0:15
Instruments: Orchestral Strings
Tempo: 66

A somber orchestral sting with a gentle rising motion.
ISRC: US-UAN-11-00530
Calming, Eerie, Relaxed, Somber 2009