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
John Coltrane and Johnny Hartman John Coltrane and Johnny Hartman John Coltrane and Johnny Hartman is a 1963 studio album featuring John Coltrane and Johnny Hartman. It was inducted into the Grammy Hall of Fame in 2013. Although it is often reported that Coltrane and Hartman had known each other since their days playing with Dizzy Gillespie's band in the late 1940s, the truth is that their time in the band never overlapped. Coltrane might have heard Hartman sing at a 1950 Apollo Theater performance at which they shared the stage. Hartman is the only vocalist with whom the saxophonist would record as a leader.