f(x) - Red Velvet - SHINee - Jonghyun - EXO, US Billboards' Best K - POP Album 25 of the 2010s Rank
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About EXO
Exo is a South Korean-Chinese boy band based in Seoul that was formed by SM Entertainment in 2011 and debuted in 2012. The group consists of nine members: Xiumin, Suho, Lay, Baekhyun, Chen, Chanyeol, D.O., Kai and Sehun.
 Wikipedia