Thelonious Monk early to mid-1940s, he was the house pianist at Minton's Playhouse, a Manhattan nightclub. Much of Monk's style (in the Harlem stride tradition) was developed during his time at Minton's, when he participated in after-hours cutting contests, which featured many leading jazz soloists of the time. Monk's musical work at Minton's was crucial in the formulation of bebop, which would be furthered by other artists, including Dizzy Gillespie, Charlie Christian, Kenny Clarke, Charlie Parker, and, later, Miles Davis. Monk is believed to be the pianist featured on recordings Jerry Newman made around 1941 at the club. Monk's style at this
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