The most famous jazz musician since 1980, Wynton Marsalis had a major impact on jazz almost from the start. In the early '80s, it was major news that a young and very talented black musician would choose to make a living playing acoustic jazz rather than fusion, funk, or R&B. Marsalis' arrival on the scene started the "Young Lions" movement and resulted in major labels (most of whom had shown no interest in jazz during the previous decade) suddenly signing and promoting young players. There had been a major shortage of new trumpeters since 1970, but Marsalis' sudden prominence...