Dizzy Gillespie Dizzy Gillespie and his Rebop Six, which included Parker, started an extended gig at Billy Berg's club in Los Angeles in December 1945. Reception was mixed and the band broke up. In February 1946 he signed a contract with Bluebird, gaining the distribution power of RCA for his music. He and his big band headlined the 1946 film "Jivin' in Be-Bop". After his work with Parker, Gillespie led other small combos (including ones with Milt Jackson, John Coltrane, Lalo Schifrin, Ray Brown, Kenny Clarke, James Moody, J.J. Johnson, and Yusef Lateef) and put together his successful big bands starting in
John Coltrane played together occasionally in the late 1940s. He was a member of groups led by Dizzy Gillespie, Earl Bostic, and Johnny Hodges in the early to mid-1950s. In the summer of 1955, Coltrane was freelancing in Philadelphia while studying with guitarist Dennis Sandole when he received a call from Davis. The trumpeter, whose success during the late forties had been followed by several years of decline in activity and reputation, due in part to his struggles with heroin, was again active and about to form a quintet. Coltrane was with this edition of the Davis band (known as the "First