South Korean girl group AOA perform R&B-influenced pop. Along with subgroups AOA Black, AOA White, and AOA Cream, the core quintet veer toward the sweet side of the K-pop spectrum, favoring ballads and upbeat dance tracks. Debuting in the mid-2010s with the Japanese release Ace of Angels, they hit a chart peak in 2017 with their first Korean-language full-length, Angel's Knock, which was a Top Five hit in their native South Korea and on the U.S. World chart.
Formed in 2012 by FNC Entertainment, AOA -- "Ace of Angels" -- debuted as an octet with members Jimin Shin, Yuna Seo, C...