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 & Roll Band record contract before their first live gig." Billy Baker of the "Boston Globe" called "Rock and Roll Band" "one of the biggest rock anthems of the 1970s." Scott Tady of "Beaver County Times" described "Rock and Roll Band," "Smokin'" and Boston's first four singles as having "helped set the foundation for classic-rock radio." "Boston Globe"'s Sarah Rodman credited "Rock and Roll Band" as one of the songs that helped drive sales of "Boston" to over 17 million copies. "The New Rolling Stone Album Guide" called "Rock and Roll Band" a "cleaned-up boogey ["sic"] crowd pleaser..." Jamie Reno of "San Diego"