1940s in jazz of the time initially met with a divided, sometimes hostile response among fans and fellow musicians, especially established swing players, who bristled at the new harmonic sounds. To hostile critics, bebop seemed to be filled with "racing, nervous phrases". Despite the initial friction, by the 1950s bebop had become an accepted part of the jazz vocabulary. The most influential bebop musicians included saxophonist Charlie Parker, pianists Bud Powell and Thelonious Monk, trumpeters Dizzy Gillespie and Clifford Brown, and drummer Max Roach. The swing era lasted until the mid-1940s, and produced popular tunes such as Duke Ellington's "Cotton Tail" (1940) and
Workin' with the Miles Davis Quintet is in fact a John Coltrane composition (originally titled "John Paul Jones", and from an earlier session led by bassist Paul Chambers; before the closing statement of theme, Coltrane and Davis play a bit of Charlie Parker's "The Hymn"). As his star rose in 1955, Davis formed a new quintet, featuring saxophonist John Coltrane, pianist Red Garland, bassist Paul Chambers, and drummer Philly Joe Jones. In order to fulfill contractual obligations, he recorded lengthy, spontaneous songs with the quintet, which were released over four albums—"Workin", "Cookin'", "Relaxin'", and "Steamin' with the Miles Davis Quintet". Prestige – LP 7166: All tracks