The term 'HARD ROCK CAFE' is a popular chain of restaurants and bars that originated in London in 1971. The term is composed of two words, the first being 'HARD' which is a four letter word, and the second being 'ROCK' which is also a four letter word. The HARD ROCK Cafe is known for its classic American cuisine, live music, and memorabilia from famous musicians. It has become a global phenomenon with locations all over the world.