1940s in jazz figures as baritone saxophonist Lars Gullin and pianist Bengt Hallberg. The theoretical underpinnings of cool jazz were set out by the blind Chicago pianist Lennie Tristano, and its influence stretches into such later developments as Bossa nova, modal jazz, and even free jazz. See also the list of cool jazz and West Coast musicians for further detail. The American Federation of Musicians recording ban, called by James Petrillo, continued through 1943. 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
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