When did dixieland music start?

Dixieland music originated in the early 20th century in New Orleans, Louisiana. It is a style of jazz music that developed from the merger of African-American brass band music and European marching band traditions. Dixieland music is characterized by its lively, upbeat tempo and its use of improvisation and syncopation. It is often played by a small ensemble of instruments, such as a cornet, trombone, clarinet, piano, and drums.