What is this South Korean-Chinese boy group formed by S.M. Entertainment in 2011 initially with several members and broke up a year later that released the song "Mama" in 2012?
Mama (Exo song) "Mama" is a song by South Korean-Chinese boy bands Exo-K and Exo-M. It served as their debut single and title track from their debut record "Mama" (2012). Available in both Korean and Mandarin, the song was digitally released on April 8, 2012, by S.M. Entertainment.
Be.A Be.A (Hangul: 비에이, shortened from Be. A rtist or Be an Artist; formerly known as K-Much) is a South Korean boy band formed under Chrome Entertainment in 2014. They debuted on 7 January 2014 as K-Much with the release of their first mini album "Beyond the Ocean". The group currently consists of five members: Hong-gyu, Yeong-kyun, Milly, Ato and BomB.