<p>The story of the man who became a music legend. Edward Kennedy 'Duke' Ellington was arguably the greatest jazz composer of the twentieth century?and an impenetrably enigmatic personality whom no one, not even his closest friends, claimed to understand. His music, too, was powerful and entirely original. Andre Prévin compared him to Stravinsky and Prokofiev, Percy Grainger to Bach and Delius. But in fact he was very much his own man. The grands...