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
Origins of rock and roll Man!" as "an instrumental screamer.. [which].. displays its rock and roll capacities when tackling the righteous rhythms." In the April 25, 1945 edition, Orodenker described Erskine Hawkins' version of "Caldonia" as "right rhythmic rock and roll music", a phrase precisely repeated in his 1946 review of "Sugar Lump" by Joe Liggins. A double, ironic, meaning came to popular awareness in 1947 in blues artist Roy Brown's song "Good Rocking Tonight", covered in 1948 by Wynonie Harris in a wilder version, in which "rocking" was ostensibly about dancing but was in fact a thinly veiled allusion to sex. Such double-entendres were