New Orleans concert marks International Jazz Day - Article Photos 9/11

Herbie Hancock, left, and bassist Roland Guerin perform at a sunrise concert marking International Jazz Day in New Orleans, Monday, April 30, 2012. The performance, at Congo Square near the French Quarter, is one of two in the United States Monday; the other is in the evening in New York. Thousands of people across the globe are expected to participate in International Jazz Day, including events in Belgium, France, Brazil, Algeria and Russia. (AP Photo/Gerald Herbert)