"Mama" was originally written and produced by
Yoo Young-jin, with the Chinese lyrics written by Wang Yajun. The Korean version is performed by subgroup
Exo-K and the Mandarin version by
Exo-M. The music videos of the song were released on
YouTube on April 7, 2012, the same day the song was made available for download through
iTunes and other Korean and mainland Chinese online retailers. Exo-K and Exo-M performed both versions during their pre-debut showcase on March 31, 2012 in Seoul, South Korea, followed by a second group performance for their second showcase in
Beijing,
China on April 1. On April 7, Exo-M made their television debut at China's
12th Yinyue Fengyun Bang Awards, performing "Mama". On that same day Exo-K made their debut in Korea on
SBS's music program
Inkigayo, performing both "Mama" and a prologue single, "
History". Exo-K also debuted on
Mnet's
M Countdown on April 12,
KBS's
Music Bank on April 13, and
MBC's
Show! Music Core on April 14. ==Music video==