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.
Origins of rock and roll Pentecostal churches, including Sister Rosetta Tharpe, Elvis Presley, Little Richard, and Jerry Lee Lewis. The identity of the first rock and roll record is one of the most enduring subjects of debate among rock historians. Various recordings dating back to the 1940s and 1950s have been cited as the first rock and roll record. A number of sources have considered the first to be "Rocket 88", which was recorded in 1951 by Ike Turner and his band, but credited to his saxophonist and the song's vocalist Jackie Brenston. According to "The Boston Globe"s Joan Anderman, most rock historians cite it