Article Photos: Letterman, Hoffman, Zeppelin honored by Obama 13/16

Rock band Led Zeppelin, from left, keyboardist/bassist John Paul Jones, singer Robert Plant, guitarist Jimmy Page, stand as the Star Spangled Banner is played during the Kennedy Center Honors Gala at the Kennedy Center in Washington, Sunday, Dec. 2, 2012. While Led Zeppelin is being honored as a band, surviving members Jones, Page, and Plant, each received the Kennedy Center Honors. (AP Photo/Manuel Balce Ceneta)