Hard Rock Cafe The first Hard Rock Cafe (HRC) opened on 14 June 1971 at Old Park Lane, Mayfair, London, under the ownership of young Americans Isaac Tigrett and Peter Morton. Hard Rock initially had an eclectic decor, but it later started to display memorabilia. The chain began to expand worldwide in 1982 with locations in (among others) Toronto, Los Angeles, San Francisco, Chicago, Paris, and Berlin. Hard Rock Cafe locations in the United States vary from smaller, more tourist driven markets (Biloxi, Pigeon Forge, Key West, etc.) to large metropolises (Houston, Philadelphia, New York City, Chicago, Boston, Washington DC, etc.). Hard Rock
Hard rock Sabbath's lead into territory that was often "darker and more menacing", hard rock tended to continue to remain the more exuberant, good-time music. In the early 1970s the Rolling Stones developed their hard rock sound with "Exile on Main St." (1972). Initially receiving mixed reviews, according to critic Steve Erlewine it is now "generally regarded as the Rolling Stones' finest album". They continued to pursue the riff-heavy sound on albums including "It's Only Rock 'n' Roll" (1974) and "Black and Blue" (1976). Led Zeppelin began to mix elements of world and folk music into their hard rock from "Led Zeppelin