Dizzy Gillespie Watrous describes his performance style: Wynton Marsalis summed up Gillespie as a player and teacher: Gillespie's trademark trumpet featured a bell which bent upward at a 45-degree angle rather than pointing straight ahead as in the conventional design. According to Gillespie's autobiography, this was originally the result of accidental damage caused by the dancers Stump and Stumpy falling onto the instrument while it was on a trumpet stand on stage at Snookie's in Manhattan on January 6, 1953, during a birthday party for Gillespie's wife Lorraine. The constriction caused by the bending altered the tone of the instrument, and Gillespie
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.