Jazz in the post-war years: In the early 1940s, bebop-style performers began to shift jazz from danceable popular music toward a more challenging "musician's music." 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. Divorcing itself from dance music, bebop established itself more as an art form, thus lessening its potential popular and commercial appeal. Composer Gunther Schuller wrote, "In 1943 I heard the great Earl Hines band which had Bird in it and all those other great musicians. They were playing all the flatted
Horn in jazz though he began composing without recognition earlier. His first piece, “Jumpin in the Future” was an atonal jazz composition based on 12-tone music. However once Schuller began composing, he stopped playing horn. Once he spent too much time away from the instrument, he believed he no longer had the chops to continue playing. Still, most of his third stream works include horn parts. Many contemporary jazz horn players have made a name for themselves in the 70s, 80s, 90s, and 00s. Some popular jazz hornists were taught privately by the breakthrough jazz horn players. Besides those mentioned below, other important