The history of jazz is written as a recounting of the lives of its most famous (and presumably, most influential) artists. Reality is not so simple, however. Certainly the most important of the music's innovators are those whose names are known by all -- Armstrong, Parker, Young, Coltrane. Unfortunately, the jazz critic's tendency to inflate the major figures' status often comes at the expense of other musicians' reputations -- men and women who have made significant, even essential, contributions of their own, who are, for whatever reason, overlooked in the mad rush to canoni...