Charles Joseph "Buddy" Bolden was an American cornetist who was regarded by contemporaries as a key figure in the development of a New Orleans style of ragtime music, or "jass", which later came to be known as jazz.

The cornet is a brass instrument similar to the trumpet but distinguished from it by its conical bore, more compact shape, and mellower tone quality. The most common cornet is a transposing instrument in B♭. There is also a soprano cornet in E♭ and cornets in A and C. All are unrelated to the Renaissance and early Baroque cornett.