plz help me to find who sings this song

please can someone help me find the name or who sings this beautiful song; i've been looking for it for months but i did not found any result.

i'm sorry for buthering you but the song starts on the last 2 min of the video, thank you so much in advance!

http://www.youtube.com/watch?v=o2gFYnRh1uQ.html

http://www.youtube.com/watch?v=G-M5W9CcRz8

oh thank you so much Ilkin!