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=USUAN1200106

MacLeod's description:

Genre: World
Time: 5:39
Instruments: Uilleann pipes, Percussion
80 BPM (Andante - Medium Speed)

It has Uilleann pipes, and is dark and somber. Not sure what else I can say about this.

Dark, Somber

ISRC: USUAN1200106
© 2012 Kevin MacLeod