Rock music of Canada the 1920s, rock and roll did not acquire its name until the 1950s. "Rock"' or its forerunners electric blues (Chicago blues) and rhythm and blues (Jump blues) was first heard in the late 1940s by Canadians who were living close enough to the American border to tune into American radio station broadcasts. In 1951, Cleveland, Ohio, disc jockey Alan Freed began playing rhythm and blues music for a multi-racial audience, and is credited with first using the phrase "rock and roll" to describe the musical sound of the Doo-wop vocal groups and the rockabilly singers who emerged in the 1950s.
Rock and Roll (dance) Rock and Roll (dance) Acrobatic Rock'n'Roll is a very athletic, competitive form of partner dance that originated from lindy hop. Unlike lindy hop, however, it is a choreographed dance designed for performance. It is danced by both couples (usually of mixed gender) and groups, either all-female or four to eight couples together. This is normally a very fast and physically demanding dance. During the development of the musical genre rock and roll, dances to go with the music were also created. From swing, which came into being around 1950, Lindy Hop emerged, the first partner dance ever to feature acrobatic