File photo of South Korean rapper Psy performing at KIIS FM's Jingle Ball concert in Los Angeles

 
File photo of South Korean rapper Psy performing at KIIS FM
South Korean rapper Psy performs at KIIS FM's Jingle Ball concert in Los Angeles, California in this December 3, 2012 file photo. Psy's infectious viral hit song, "Gangnam Style," made history on December 21, 2012 as the first ever video on YouTube to reach 1 billion views, adding yet another record to the song's juggernaut journey into mainstream pop.Picture taken December 3, 2012. REUTERS/Mario Anzuoni/Files