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
Bob Northern Bob Northern Robert "Bob" Northern (born May 21, 1934), known professionally as Brother Ah, is an American jazz French hornist. Born in North Carolina and raised in The Bronx, Northern studied at the Manhattan School of Music and at the Vienna State Academy in the 1950s. He is perhaps best known as a session musician, working extensively in the 1950s and 1960s with musicians such as Donald Byrd, John Coltrane, Gil Evans, Sun Ra, McCoy Tyner, Roland Kirk, and the Jazz Composers Orchestra. He also worked with Don Cherry, Thelonious Monk, Freddie Hubbard, Miles Davis, Dizzy Gillespie, Eric Dolphy, Charlie