Gina Jane Choi, better known by her stage name G.NA, is a Korean-Canadian singer, songwriter and actress based in South Korea. She released her debut EP, Draw G's First Breath, on July 14, 2010.

Kim Hyun-ah, known professionally as Hyuna, is a South Korean singer-songwriter, rapper, and model. She debuted as a member of the girl group Wonder Girls in February 2007. Upon leaving the ensemble shortly after, Hyuna subsequently left JYP Entertainment and joined the girl group 4Minute. The group debuted in June 2009 under Cube Entertainment. In 2010, Hyuna began a solo career with a style she described as "performance-oriented music". Her solo debut single "Change" charted at number-two on South Korea's Gaon Digital Chart.