 The show was renamed "American Bandstand" in 1957 when it began national syndication on ABC, hosted by Dick Clark and produced in Philadelphia until 1964 when it moved to Los Angeles.Promoters marketed youthful musical artists known as teen idols to appeal to the young audience.Philadelphia-born singers such as Frankie Avalon, James Darren, Eddie Fisher, Fabian Forte, and Bobby Rydell, along with South Philly-raised Chubby Checker, topped the music charts, establishing a clean-cut rock and roll image.