To Be or Not to Bop became a great trumpeter and even the origin of his signature bent trumpet. Various compositions and albums have been named after Gillespie's book title. To Be or Not to Bop To Be or Not to Bop: Memoirs of Dizzy Gillespie is a 1979 book written by jazz musician, composer and band leader Dizzy Gillespie. The book was released in July 1979 by Doubleday. The University of Minnesota Press re-released the book in 2009. He is known for being the father of bebop. This book tells about his life, and what he went through to make this music flourish. The book
Dizzy Gillespie a session led by Coleman Hawkins with Gillespie as a featured sideman on February 16, 1944 (Apollo), the first formal recording of bebop. He appeared in recordings by the Billy Eckstine band and started recording prolifically as a leader and sideman in early 1945. He was not content to let bebop sit in a niche of small groups in small clubs. A concert by one of his small groups in New York's Town Hall on June 22, 1945 presented bebop to a broad audience; recordings of it were released in 2005. He started to organize big bands in late 1945.