Dixieland Louis Armstrong. They came to be grouped as Dixieland standards beginning in the 1950s. Largely occurring at the same time as the "New Orleans Traditional" revival movement in the United States, traditional jazz music made a comeback in the Low Countries. However, most Dutch jazz bands (such as ) had long since evolved into the Swing-era while the few remaining traditional jazz bands (such as the Dutch Swing College Band) did not partake in the broader traditional revival movement, and continued to play ragtime and early jazz, greatly limiting the number of bands aspiring jazz musicians could join or (as
Bop City War II. While modern jazz, whether in the form of swing or bebop, was popular on Los Angeles' Central Avenue, San Francisco was at the time a haven of traditional jazz (also known as Dixieland). In the 1940s and early 1950s, the Bay Area scene was dominated by Dixieland revival bands such as Lu Watters' Yerba Buena Jazz Band. In the late 1940s, however, new clubs emerged in the Tenderloin and North Beach districts, which changed the music scene in the city. Bop City emerged from the short-lived club Vout City, run by Slim Gaillard on the same premises. Gaillard