John Birks `` Dizzy '' Gillespie ( \ / ɡɨˈlɛspi \ / ; October 21 , 1917 - January 6 , 1993 ) was an American jazz trumpeter , bandleader , composer and occasional singer .
John Birks `` Dizzy '' Gillespie ( born October 21 , 1917 in Cheraw , South Carolina ) was an American jazz trumpeter , bandleader , singer and composer .