any genre of music having wide appeal (but usually only for a short time)

loud and harsh sounding rock music with a strong beat; lyrics usually involve violent or fantastic imagery

a style of rock music that emerged in the 1970s; associated with attempts to combine rock with jazz and other forms; intended for listening and not dancing

a musical style that emerged in the 1960s; rock music inspired by or related to drug-induced experience

rock music with deliberately offensive lyrics expressing anger and social alienation; in part a reaction against progressive rock

a loosely defined subgenre of rock music which has its earliest roots in mid-1960s garage rock, blues rock and psychedelic rock, typified by a heavy use of aggressive vocals, distorted electric guitars, bass guitar, drums, and often accompanied with pianos and keyboards.

a loud steady beat