US President Barack Obama and first lady Michelle Obama applaud the national anthem, played by trumpeter Arturo Sandoval (not pictured), as they arrive in their box for the 2013 Kennedy Center Honors at the Kennedy Center in Washington Dec 8, 2013. Musicians Herbie Hancock, Billy Joel and Carlos Santana, as well as opera singer Martina Arroyo and actress Shirley MacLain are being honored this year for their lifetime contributions to American culture through the performing arts. [Photo/Agencies]