Kind of Blue Adderley had joined in the fall of 1957, with tenor saxophonist Coltrane returning at the beginning of 1958; pianist Evans had replaced Red Garland in April 1958, but quit in November to be replaced in turn by Kelly; and drummer Cobb had been hired in May 1958. The Davis band played a mixture of pop standards and bebop originals by Charlie Parker, Thelonious Monk, Dizzy Gillespie, and Tadd Dameron. As with all bebop-based jazz, Davis's groups improvised on the chord changes of a given song. Davis was one of many jazz musicians growing dissatisfied with bebop, however, and saw its
Charlie Parker with a chicken and the tour bus. In 1942 Parker left McShann's band and played for one year with Earl Hines, whose band included Dizzy Gillespie, who later played with Parker as a duo. This period is virtually undocumented, due to the strike of 1942–1943 by the American Federation of Musicians, during which time few professional recordings were made. Parker joined a group of young musicians, and played in after-hours clubs in Harlem, such as Clark Monroe's Uptown House. These young iconoclasts included Gillespie, pianist Thelonious Monk, guitarist Charlie Christian, and drummer Kenny Clarke. The beboppers' attitude was summed up