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.
Lucky J Lucky J (Hangul; 럭키제이; RR: "leogkijei") was a South Korean hip-hop group formed by YMC Entertainment. The group's three original members were J'Kyun, Jessi, and J-Yo. The group debuted with their first single "Can You Hear Me?" in July 2014.