EXO-K is a South Korean boy band formed by S.M. Entertainment in April 2012, a sub-unit from the main group
EXO, divided into two subgroups, EXO-K and
EXO-M, promoting in South Korea and China separately. EXO-K composed of six members: Suho, Baekhyun, Chanyeol, D.O., Kai and Sehun. Their prologue (promotional) single "
What Is Love" was released on January 30, 2012. Their second single "
HISTORY" was released on March 8, 2012. On April 8, 2012, the group released their third single "
MAMA", before releasing their debut extended play
MAMA the next day. All …
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