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
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