In 1943, Jimmy Savile launched the world's first DJ dance party by playing jazz records in the upstairs function room of the Loyal Order of Ancient Shepherd's in Otley, England. In 1947, he became the first DJ to use twin turntables for continuous play. In 1947, the Whiskey à Go-Go nightclub opened in Paris, France, considered to be the world's first discothèque, or disco (deriving its name from the French word, meaning a nightclub where the featured entertainment is recorded music rather than an on-stage band). Discos began appearing across Europe and the United States. From the late 1940s to early 1950s, the introduction of television eroded the popularity of radio's early format, causing it to take on the general form it has today, with a strong focus on music, news and sports.
In the 1950s, American radio DJs would appear live at "sock hops" and "platter parties" and assume the role of a human jukebox. They would usually play 45-rpm records featuring hit singles on one turntable, while talking between songs. In some cases, a live drummer was hired to play beats between songs to maintain the dance floor. In 1955 Bob Casey, a well-known "sock hop" DJ, introduced the first two-turntable system for alternating back and forth between records, creating a continuous playback of music. Throughout the 1950s, payola payments by record companies to DJs in return