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
Ahmadiyya in the United States Clouds." Although Dizzy Gillespie, Miles Davis, and John Coltrane did not become Ahmadi Muslims, they were influenced by the spirit of Islam bought by the Ahmadis. "A Love Supreme", one of Coltrane's greatest pieces of work, considered by some as the greatest Jazz album of all time, was deeply influenced by the work of the Ahmadiyya movement. In the liner notes of the album, Coltrane repeatedly echoes "Basmala", the opening verse of almost every chapter of the Quran: "Now and again through the unerring hand of God, I do perceive his ... Omnipotence ... He is Gracious and Merciful." Between