MC Sniper (스나이퍼) & Outsider (아웃사이더) feat Horan (호란) (Clazziquai Project 클래지콰이) - 심장병 (Heartache)

Woah! Love it man! Horan's voice is so damn nice... ><

The MV is artistic and unique too... I think the MV and song really suit the title.