Rock music is a genre of popular music that originated in the United States in the 1950s, and developed into a range of different styles in the 1960s and later. It has come to include a wide range of subgenres, including classic rock, hard rock, punk rock, alternative rock, and grunge. Rock music is traditionally built around the electric guitar, bass guitar, and drums, and is characterized by a heavy use of distorted guitars, basslines, and drumming. It has also been influenced by other genres such as blues and folk music.
