Dizzy Gillespie Dizzy Gillespie John Birks "Dizzy" Gillespie (; October 21, 1917 – January 6, 1993) was an American jazz trumpeter, bandleader, composer, and singer. Gillespie was a trumpet virtuoso and improviser, building on the virtuoso style of Roy Eldridge but adding layers of harmonic and rhythmic complexity previously unheard in jazz. His combination of musicianship, showmanship, and wit made him a leading popularizer of the new music called bebop. His beret and horn-rimmed spectacles, his scat singing, his bent horn, pouched cheeks, and his light-hearted personality provided some of bebop's most prominent symbols. In the 1940s Gillespie, with Charlie Parker, became
Miles Davis he accompanied a singer. In 1945, he replaced Dizzy Gillespie in Charlie Parker's quintet. On November 26, Davis participated in several recording sessions as part of Parker's group Reboppers that also involved Gillespie and Max Roach, displaying hints of the style he would become known for. In Parker's song "Now's the Time", Davis played a solo that anticipated cool jazz. He then joined a big band led by Benny Carter, performing in St. Louis and remaining with the band in California. He again played with Parker and Gillespie. In Los Angeles, Parker had a nervous breakdown that put him in