Song Ji-eun feat. Bang Yong-gook (Are You Crazy) 송지은 feat. 방용국 (미친거니)

K-POP Quiz This is the title track of Song Ji-eun's digital single album of the same name. Song Ji-eun shows a shocking transformation as a solo artist through this piece. The obsession and possessiveness about one's partner is amplified through her sorrowful vocals, which blends beautifully with the rookie rapper, Bang Yong-gook's rap. 송지은 디지털 싱글앨범 '미친거니' 동명