2 - 2011-07-15, skozobar
This is actually two songs mixed together. The fast tempo part (beginning at 1:24, and again at 2:18) is a different song that I believe is called "Udaralo cure uz tambure".
1 - 2011-07-13, skozobar
This song is "Djaurko lepa" (sometimes "Djaurko mila"). It's hard to tell for certain which version they are singing here.