South Korean singer PSY performs “Gangnam Style” at the Seoul plaza in front of Seoul city hall in Seoul October 4, 2012. About 80,000 fans gathered to cheer Psy at a free concert staged to thank fans in Seoul. <Xinhua/Yao Qilin>
South Korean singer PSY, who sings the popular “Gangnam Style,” performs during his concert in front of Seoul City Hall in Seoul, South Korea, Thursday, Oct. 4, 2012. <AP Photo/Lee Jin-man>
