Have you guys heard Kim Soo Hyun sing before? Recently my Korean friend told me about this advertisement featuring Kim Soo Hyun, and when watching it we realised.... AACK! the song featured in the ad is actually sung by none other than our darling Samdong / Kim Soo Hyun!!! Guys you have to check it out - link is here http://cafe.naver.com/na8700/486 you like????