1940s in jazz 1940s in jazz In the early 1940s in jazz, bebop emerged, led by Charlie Parker, Dizzy Gillespie, Thelonious Monk and others. It helped to shift jazz from danceable popular music towards a more challenging "musician's music." Differing greatly from swing, early bebop divorced itself from dance music, establishing itself more as an art form but lessening its potential popular and commercial value. Since bebop was meant to be listened to, not danced to, it used faster tempos. Beboppers introduced new forms of chromaticism and dissonance into jazz; the dissonant tritone (or "flatted fifth") interval became the "most important interval of
John Coltrane discography the session as September 27, 1949 in New York City, but Lewis Porter's "John Coltrane: His Life and Music" states that he was on tour with the Dizzy Gillespie Big Band during that time. Most sources confirm that he recorded with Billy Valentine on November 7 in Los Angeles for Mercury Records. In subsequent years, Coltrane sat in on recording sessions with Gillespie, Johnny Hodges, Earl Bostic, and Gay Crosse. In September 1955, Coltrane joined the Miles Davis Quintet and appeared on several Miles Davis-led recordings, including "'Round About Midnight" and "Milestones". He briefly joined Thelonious Monk in May 1957,