Rock and roll "Rock and Roll Inn" in South Merchantville, New Jersey, was established as a music venue. In 1951, Cleveland, Ohio disc jockey Alan Freed began playing this music style while popularizing the phrase to describe it. The origins of rock and roll have been fiercely debated by commentators and historians of music. There is general agreement that it arose in the Southern United States – a region that would produce most of the major early rock and roll acts – through the meeting of various influences that embodied a merging of the African musical tradition with European instrumentation. The migration of
Canadian Disc Jockey Association Canadian Disc Jockey Association The Canadian Disc Jockey Association (CDJA) is a not-for-profit trade association for disc jockeys across Canada. The CDJA was formed in 1976 and incorporated in 1978 to serve not only the disc jockey trade but the consumer, as well. It is a self-regulating association and operates under a national constitution and code of ethics. Its members either belong to one of many chapters in major cities across Canada or in some cases, where there is not one nearby, they are known as "unchaptered" or National members. The CDJA has established a code of conduct specifying the