Ullvén Mutes Trumpet Dizzy Cup Mute - Chrome Plated CopperUllvn Mutes Trumpet Dizzy Cup Mute "I have never before had an equal mute, it's unbelievable that you can succeed 100% in producing a mute with so many top qualities." Dizzy Gillespie The Ullvn Dizzy Cup Mute has a rich history that began in 1958 when inventor and entrepreneur Gunnar Ullvn met the legendary trumpeter John Birks "Dizzy" Gillespie at a jazz club in Stockholm. Gillespie, who was already world famous for his Be Bop sound, instantly fell