To Be or Not to Bop 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 introduces Dizzy and his friends like Charlie "Bird" Parker as they struggled to make money by playing. Later on it tells of how Dizzy
Tritone substitution Tritone substitution The tritone substitution is one of the most common chord substitutions found in jazz and was the precursor to more complex substitution patterns like Coltrane changes. Tritone substitutions are sometimes used in improvisation—often to create tension during a solo. Though examples of the tritone substitution, known in the classical world as an augmented sixth chord, can be found extensively in classical music since the Renaissance period, they were not heard until much later in jazz by musicians such as Dizzy Gillespie and Charlie Parker in the 1940s, as well as Duke Ellington, Art Tatum, Coleman Hawkins, Roy Eldridge