Dizzy Gillespie on traditional Afro-Cuban rhythms. Gillespie was introduced to Chano Pozo in 1947 by Mario Bauza, a Latin jazz trumpet player. Chano Pozo became Gillespie's conga drummer for his band. Gillespie also worked with Mario Bauza in New York jazz clubs on 52nd Street and several famous dance clubs such as the Palladium and the Apollo Theater in Harlem. They played together in the Chick Webb band and Cab Calloway's band, where Gillespie and Bauza became lifelong friends. Gillespie helped develop and mature the Afro-Cuban jazz style. Afro-Cuban jazz was considered bebop-oriented, and some musicians classified it as a modern style.
Dizzy Gillespie time in Calloway's band, Gillespie started writing big band music for Woody Herman and Jimmy Dorsey. He then freelanced with a few bands, most notably Ella Fitzgerald's orchestra, composed of members of the Chick Webb's band. Gillespie did not serve in World War II. At his Selective Service interview, he told the local board, "in this stage of my life here in the United States whose foot has been in my ass?" He was classified 4-F. In 1943, he joined the Earl Hines band. Composer Gunther Schuller said, Gillespie said of the Hines band, "[p]eople talk about the Hines band