Rock 'n' roll is a genre of popular music that emerged in the 1950s and has since become synonymous with rebellion, youthful energy, and raw passion. Synonyms for the term "rock 'n' roll" include rock, rock music, rockabilly, hard rock, heavy metal, funk rock, punk rock, and indie rock, among others. Each of these genres has its own distinctive sound and style, but they all share a common theme of musical innovation and expression. Whether you prefer the bluesy riffs of classic rock or the aggressive beats of modern heavy metal, there is a genre of rock 'n' roll that will speak to your inner rebel.