New Orleans pianist Henry Butler (left) and arranger and trumpeter Steven Bernstein will release their collaborative record, Viper's Drag, in the U.S. on July 15. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

Allen Toussaint keeps the New Orleans jazz-piano tradition alive in a concert from the Kennedy Center. Michael Wilson hide caption

itoggle caption Michael Wilson

Professor Longhair's "Tipitina" is a New Orleans funk staple and a template for the New Orleans piano style. Eric Bookhart/Harvest Records hide caption

itoggle caption Eric Bookhart/Harvest Records