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=USUAN1200073

MacLeod's description:

Genre: Unclassifiable
Length: 4:20
Instruments: Percussion, Voice, Guitar, Trombone
Tempo: 120

No, I don't know what this is. Some sort of Bulgarian dirge? It has a good 2-part folk melody that is pretty easy to sing, and a wonderful B section with super cadences at the middle and end. Sheet music for the voices available here [http://incompetech.com/m/c/royalty-free/sheetmusic/Gypsy%20Shoegazer%20Vocal%20Notes.pdf]. ISRC: USUAN1200073 Calming, Dark, Eerie, Somber 2012