Origins of rock and roll but it was used by the early 20th century, both to describe a spiritual fervor and as a sexual analogy. Various gospel, blues and swing recordings used the phrase before it became used more frequently – but still intermittently – in the late 1930s and 1940s, principally on recordings and in reviews of what became known as "rhythm and blues" music aimed at black audiences. In 1951, Cleveland-based disc jockey Alan Freed began playing this music style while popularizing the term "rock and roll" to describe it. Various recordings that date back to the 1940s have been named as the
Rock and roll first entered the British charts in early 1955 – four months before it reached the US pop charts – topped the British charts later that year and again in 1956, and helped identify rock and roll with teenage delinquency. American rock and roll acts such as Elvis Presley, Little Richard, Buddy Holly, Chuck Berry and Carl Perkins thereafter became major forces in the British charts. The initial response of the British music industry was to attempt to produce copies of American records, recorded with session musicians and often fronted by teen idols. More grassroots British rock and rollers soon began