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
John Garcia Gensel named full-time Minister to the Jazz Community; initially Jazz vespers were held at various locations including Central Synagogue. In 1968, jazz ministry had become fully established in Saint Peter's Lutheran Church, on Lexington Avenue in New York City. Jazz musicians including Duke Ellington, Thelonious Monk, John Coltrane, Dizzy Gillespie, Miles Davis, Charles Mingus, Billy Strayhorn attended and played regularly at Jazz vespers. In 1975 Documentary Educational Resources published a portrait of Rev. Gensel which was filmed over the course of 5 years; the documentary records Duke Ellington's last concert and funeral. At Saint Peter's Lutheran Church Rev. Gensel also founded