(ROUGH CUT ONLY - NO REPORTER NARRATION)<br/> <br />The Obamas attended an annual holiday concert that benefits the National Childrens Medical Center on Sunday (December 9). This year's "Christmas in Washington" concert included some controversy and something non-traditional: a performance by South Korean "Gangnam Style" rapper Psy.<br/> <br />Psy engaged in anti-American protests eight years ago. He issued an apology Friday (December 7) for the "inflammatory and inappropriate language" he said he used in a rap as "part of a deeply emotional reaction to the war in Iraq and the killing of two Korean schoolgirls".<br/> <br />But the controversy didn't affect Obama's attendance. U.S. presidents traditionally attends this charity event, which is in it's 31st year.<br/> <br />Hosted by comedian Conan O'Brien, other performers included Diana Ross, Demi Lovato, Scotty McCreery, Chris Mann of "The Voice" fame and "Smash" star Megan Hilty.<br/> <br />The concert is scheduled to air on December 21 on the American Cable television station TNT.
