Jazz standard and Billy Strayhorn's "Take the 'A' Train" (1941). With the big bands struggling to keep going during World War II, a shift was happening in jazz in favor of smaller groups. Some swing era musicians, such as Louis Jordan, later found popularity in a new kind of music, called "rhythm and blues", that would evolve into rock and roll in the 1950s. Bebop emerged in the early 1940s, with Charlie Parker, Dizzy Gillespie and Thelonious Monk leading the way. It appealed to a more specialized audiences than earlier forms of jazz, with sophisticated harmonies, fast tempos and often virtuoso musicianship.
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