Song Ji-eun (born May 5, 1990, in Seoul, South Korea), known mononymously as
Jieun, is a South Korean singer and actress. From an early age, Jieun was
passionate about music and auditioned for JYP Entertainment, lending her voice
to several Korean drama original soundtracks, including the popular
song "Learning To Fly" for Air City. Although she was initially set to debut in
a girl group through JYP, the plan was scrapped, leading her to join TS
Entertainment, who unveiled a new four-member girl group, Secret, in September
2009, featuring Jieun along with Han Sun-hwa, Jung Ha-na,...