South Korean girl group AOA perform R&B-influenced pop. Formed in 2012 by FNC Entertainment, AOA -- "Ace of Angels" -- debuted as an octet with members Jimin Shin, Yuna Seo, Chanmi Kim, Hyejeong Shin, Seol-hyun Kim, Mina Kwon, Youkyung Seo, and Choa Park. Their first EP, Angel's Story, contained the single "Elvis" and peaked within the top ten of the Korean charts. The Wanna Be EP followed with the single "Get Out." At the end of the year, a sub-unit was created, dubbed AOA Black, comprised of Youkyung, Jimin, Yuna, Choa, and Mina. They released the "Moya" single in 2013, as t...