Dixieland music. The music of Sicily was one of the many genres in the New Orleans music scene during the 1910s, alongside sanctified church music, brass band music and blues. Much later, the term "Dixieland" was applied to early jazz by traditional jazz revivalists, starting in the 1940s and 1950s. The name is a reference to the "Old South", specifically anything south of the Mason-Dixon line. The term encompasses earlier brass band marches, French Quadrilles, biguine, ragtime, and blues with collective, polyphonic improvisation. While instrumentation and size of bands can be very flexible, the "standard" band consists of a "front line"
Jazz the 1950s and 1960s, Dixieland was one of the most commercially popular jazz styles in the US, Europe, and Japan, although critics paid little attention to it. In 1944, jazz impresario Norman Granz organized the first Jazz at the Philharmonic concert in Los Angeles, which helped make a star of Nat "King" Cole and Les Paul. In 1946, he founded Clef, discovering Canadian jazz pianist Oscar Peterson in 1949 and merging Clef with his new label Verve in 1956, which advanced the career of Ella Fitzgerald. By the end of the 1940s, the nervous energy and tension of bebop was