Species of popular mus. originating in USA (as rock 'n’ roll) in early 1950s and spreading throughout world. Perf. by ‘groups’, e.g. of v(v)., guitars, often electronically amplified, and drums. There are sub‐species such as folk rock, jazz rock, and punk rock. Rock was used in stage works such as Hair, Tommy, and Jesus Christ Superstar. Words of songs often refer to social themes.
Subjects: United States History — Music.