Nicknamed “Dizzy” because of his zany on-stage antics, Gillespie, set new standards for trumpet players with his innovative, “jolting rhythmic shifts and ceaseless harmonic explorations” on the instrument during the 1940's, which ushered in a definitive change in American jazz music from swing to bebop.
Quotes: http://jazzonline.gr/en/jazznews/others/item/556-great-quotes-—-dizzy-gillespie.html
Book: http://jazzonline.gr/en/jazznews/books/item/560-to-be-or-not-to-bop-memoirs-of-dizzy-gillespie.html