Rock music is a genre that originated in the 1950s, combining elements of blues, jazz, and country music. Characterized by its strong beat, simple melodies, and often electric instruments, rock music has evolved into various subgenres, including punk, metal, and alternative rock. The genre is known for its emphasis on guitar, bass, and drums, with many songs featuring powerful vocals. Iconic artists like Elvis Presley, The Beatles, and Jimi Hendrix have significantly influenced rock music, shaping its development and popularity across generations. Rock music continues to be a vital part of modern culture.