Contestants in the upcoming K-Pop World Festival 2011 practice during a mentoring session at a Seoul studio on Dec. 6, 2011. The festival will be held in Changwon, 398 kilometers southeast of Seoul, on Dec. 7, with 21 groups from 16 countries competing. Korean pop music has gained global popularity in recent years, with rallies calling for concerts staged in many places around the world. (Yonhap)
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