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)

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)