Dixieland all of the recorded repertoire of New Orleans musicians was from the period when the format was already evolving beyond the traditional New Orleans format. "Dixieland" may in that sense be regarded as denoting the jazz revival movement of the late 1930s to the 1950s as much as any particular subgenre of jazz. The essential elements that were accepted as within the style were the traditional front lines consisting of trumpets, trombones, and clarinets, and ensemble improvisation over a 2-beat rhythm. The Dixieland revival renewed the audience for musicians who had continued to play in traditional jazz styles and revived
Dixieland based on the music of Joe "King" Oliver, Jelly Roll Morton, Louis Armstrong, and W.C. Handy. Bands playing in the West Coast style use banjo and tuba in the rhythm sections, which play in a two-to-the-bar rhythmic style. Much performed traditional Dixieland tunes include: "When the Saints Go Marching In", "Muskrat Ramble", "Struttin' with Some Barbecue", "Tiger Rag", "Dippermouth Blues", "Milenberg Joys", "Basin Street Blues", "Tin Roof Blues", "At the Jazz Band Ball", "Panama", "I Found a New Baby", "Royal Garden Blues" and many others. All of these tunes were widely played by jazz bands of the pre-WWII era, especially