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EXO is a South Korean-Chinese boy band formed by SM Entertainment in 2012. The group consists of nine members: Suho, Baekhyun, Chen, Chanyeol, D.O., Kai, Sehun, Lay, and Xiumin. EXO debuted in 2012 with the release of their EP Mama. Since then, they have released five studio albums, two extended plays, and numerous singles. EXO is one of the most popular K-pop groups in the world.