Yesung and Jang Hye Jin's "I Am Behind You" [Cooperation 1] has been released on various music sites.Hear the song from here..
Please support them by purchasing the song from these sites...
MELON . DOSIRAK . MNET . NAVER . SORIBADA . BUGS .
Such a mellow song...
Rec from MNET and Uploaded by ShayneKay @ DKPOPNEWS.NET