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 November 26, 1945, Parker led a record date for the Savoy label, marketed as the "greatest Jazz session ever." Recording as Charlie Parker's Reboppers, Parker enlisted such sidemen as Gillespie and Miles Davis on trumpet, Curly Russell on bass and Max Roach on drums. The tracks recorded during this session include "Ko-Ko", "Billie's Bounce" and "Now's the Time". In 1952 Parker and Gillespie released an album entitled "Bird and Diz". Shortly afterward, the Parker/Gillespie band traveled to an unsuccessful engagement at Billy Berg's club in Los Angeles. Most of the group returned to New York, but Parker remained in California,