The Olympia Brass Band is a New Orleans jazz brass band. 　　The first "Olympia Brass Band" was active from the late 19th century to around World War I. The most famous member was Freddie Keppard. 　　In 1958, saxophonist Harold Dejan, leader of the 2nd unit of the Eureka Brass Band, split off to form the current Olympia, reviving the historic name.