Gumbo : beginnings to 1907 -- The gift : 1907-1917 -- The jazz age : 1917-1924 -- Freedom of expression with a groove : an interview with Wynton Marsalis -- Our language : 1925-1929 -- Hard, hard times : 1929-1935 -- Reminiscing in tempo / The velocity of celebration : 1936-1939 -- Dedicated to chaos : 1940-1945 -- White noise and white knights : some thoughts on race, jazz, and the white jazz musician / Risk : 1945-1950 -- Extreme jazz : the avant-garde / The adventure : 1950-1960 -- The presence is always the point / A masterpiece by midnight : 1960 to the present.