Seeking a good autobio of Duke that scrutinizes the evolution of his band. More accurately, I'd like a musical biography of him and his band. Also, I'm wondering if there's a narrative sessionography for Ellington like Jack Chambers' "Milestones" (for Miles). Listening to lots of early Ellington now and came across a statement of how Bubber Miley changed the direction of the band (from pretty music to jungle music) and how Bubber and Tricky Sam Nanton were constantly feeding off each other in coming up with new ideas and sounds.... Whetted my appetite for more.... Martin