FILE- This Feb. 7, 2009 file photo shows Herbie Hancock arriving at the Clive Davis pre-Grammy party in Beverly Hills, Calif. Ambassador Herbie Hancock believes what the world needs now is a little jazz diplomacy. The renowned jazz pianist's first major initiative since being named a UNESCO Goodwill Ambassador in July is to establish International Jazz Day to be held on April 30 of every year. (AP Photo/Matt Sayles)
Musician Herbie Hancock arrives in the State Dining Room of the White House in Washington, Wednesday, Jan. 19, 2011, to perform for President Barack Obama, first lady Michelle Obama, China's President Hu Jintao, and guests during a State Visit. (AP Photo/Carolyn Kaster)
Musician Herbie Hancock performs at the piano at the White House in Washington, Wednesday, Jan. 19, 2011, for President Barack Obama, first lady Michelle Obama, China's President Hu Jintao, and guests, during a State Visit. (AP Photo/Carolyn Kaster)