In the last of six programmes on the development of jazz, Max Easterman looks at and the birth of two opposing movements. Trumpeter Lou Watters led the first real revivalist band, playing back-to-the-roots King
Oliver-style jazz. By contrast, trumpeter Dizzy Gillespie was beginning to develop elements of bebop style with the Cab Calloway Band, and his future colleague, saxophonist Charlie Parker , was making his first records with Jay McShann 's band.