Jazz Originally a B pentatonic blues, Coltrane expanded the harmonic structure of "Afro Blue." Perhaps the most respected Afro-cuban jazz combo of the late 1950s was vibraphonist Cal Tjader's band. Tjader had Mongo Santamaria, Armando Peraza, and Willie Bobo on his early recording dates. In the late 1940s, there was a revival of Dixieland, harking back to the contrapuntal New Orleans style. This was driven in large part by record company reissues of jazz classics by the Oliver, Morton, and Armstrong bands of the 1930s. There were two types of musicians involved in the revival: the first group was made up
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