Sunwoo Jung-a (Hangul: 선우정아, born May 11, 1985), is a South Korean musician, singer-songwriter, and record producer who has worked with numerous Korean artists including IU, Suran (singer), GD & TOP, 2NE1, Lee Haeri, Lee Hi, and San E. She released her debut album, Masstige, on May 10, 2006. Discography Studio albums Extended plays Singles Other charted songs Soundtrack appearances Production credits Filmography TV Program Web series Awards and nominations References 1985 births Living people South Korean rhythm and blues singers South Korean pop singers 21st-century South Korean women singers Seonu clan of Taiyuan