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.
IKon (South Korean band) iKon (Hangul: 아이콘 ), stylized as iKON, is a South Korean boy band formed in 2015 by YG Entertainment. The group was first introduced in the reality survival program "WIN: Who is Next" as "Team B." After that, Team B went on to appear in the 2014 reality survival program "Mix & Match", which determined the final seven-member lineup of iKon: B.I, Bobby, Jay, Ju-ne, Song, DK and Chan.