President Barack Obama and First Lady Michelle Obama join the UNC (University of North Carolina) Clef Hangers for a group photo and listen to them perform in the Diplomatic Reception Room prior to Christmas holiday EOP Reception #1 at the White House, Dec. 15, 2015. (Official White House Photo by Chuck Kennedy)This photograph is provided by THE WHITE HOUSE as a courtesy and may be printed by the subject(s) in the photograph for personal use only. The photograph may not be manipulated in any way and may not otherwise be reproduced, disseminated or broadcast, without the written permission of the White House Photo Office. This photograph may not be used in any commercial or political materials, advertisements, emails, products, promotions that in any way suggests approval or endorsement of the President, the First Family, or the White House.