Herbie Hancock celebrates International Jazz Day

FILE - In this Feb. 11, 2012 file photo, musician Herbie Hancock arrives at the Pre-GRAMMY Gala & Salute to Industry Icons with Clive Davis honoring Richard Branson in Beverly Hills, Calif. Hancock has a deal with Viking to write his memoir. Viking announced Tuesday that the book, currently untitled, is due in 2014. (AP Photo/Vince Bucci, file)

April 27, 2012 11:22:34 AM PDT
Herbie Hancock and scores of other big names in sound, rhythm and improvisation gathered in Paris on Friday to celebrate a new annual event: International Jazz Day.