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 'n' Roll Rumble Rock 'n' Roll Rumble The Rock 'n' Roll Rumble (sometimes stylized "Rock & Roll Rumble"; formerly the "WBCN Rock 'n' Roll Rumble"), begun in 1979, is a Greater Boston "battle of the bands" competition sponsored by WZLX and its local music show Boston Emissions. It remains the longest running event of its kind in the US. Its predecessors were the Bicentennial Tournament of the Bands held in 1976 at The Club in Cambridge, Massachusetts, and co-sponsored by WBCN and Inn Square Men's Bar, as well as 1978's First Annual Spring Rock 'n' Roll Festival co-sponsored by WBCN and the "Boston