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
Charlie Parker on Dial material from 1948, including a session with Tadd Dameron's Orchestra, featuring performances by tenor saxophonists Allen Eager and Wardell Gray. The first volume features several sessions. In one, Parker and Dizzy Gillespie perform "Diggin' Diz". In another, described by Yanow as "superior", Parker and Miles Davis on trumpet lead a West Coast septet through several Parker standards, with variant takes. The final session on the album features Parker in performance with a Howard McGhee-led quintet where, according to Yanow, Parker's performance is seriously hampered by his poor physical condition. This volume features the first session, including alternate takes, that Parker