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
Planet Earth Rock and Roll Orchestra (album) Press. The novel includes notations for a full soundtrack which would have included (in the order indicated in the novel) : Planet Earth Rock and Roll Orchestra (album) Planet Earth Rock and Roll Orchestra is the final solo album by Paul Kantner and the only Kantner solo release to be solely credited to the singer-songwriter. The title comes from an unofficial name for San Francisco artists who recorded on various albums in 1970–1973, also known as PERRO. "The Mountain Song" is dedicated "to David C, Jerry G, Graham N, Grace S, David F, Billy K and Mickey H and to