Rock music evolved from rock and roll in the nineteen fifties in united state of America. It later developed into diverse variety of styles in the nineteen sixties most particularly in the United States and the United Kingdom. Rock music has a profound influence from country music, blues and the rhythm. It has as well being influenced by other genres like folk, blues, and has integrated influences from classical music, jazz and other different music sources.
When it comes to the instruments used it centers on the electric bass guitar and drums. Normally rock music is usually with a 4/4 time signature by means of a verse chorus form but now it has grown to be tremendously diverse. Rock music lyrics stress mostly on romantic love as well as themes that range from social to political issues and others bizarre topic. It was dominated by white male musicians who are mostly are the key factors that shaped it.
Nowadays it both inhabited by both the male and female. It put a more elevated emphasis on live performance musicianship and has a lot of genuineness compared to pop music. By the late nineteen sixties, the period that term rock then as classic rock, a number of rock sub genres emerged. They included hybrids like jazz rock fusion, folk rock, blues-rock and country rock. Many of these sub genres led to the development of psychedelic rock highly influenced by the counterculture psychedelic scene. The genres that emerged from these include progressive rock (usually extended artist elements), glam rock (showed the visual styles and showmanship), heavy metal (which focused on speed, volume and power).
Punk rock intensified and reacted in opposition to some of these treads to bring into being a raw energetic form of music. This was in the second half of the nineteen seventies. It was characterized by overt social and political critiques. In the nineteen eighties punk was a heavy influence on other sub genres that included post rock, new wave and ultimately alternative rock movement.
Alternative rock music broke through the main stream in the nineteen nineties. It has dominated the rock music in the form of indie rock, Britpop, grunge. Other sub genres that emerge include rap mental, rap rock and pop punk. There was also intentional attempt to revisit rock history this included synthpop and garage rock revivals at the start of the millennium.
Rock music has served as the instrument for social and cultural movements. This has lead to main sub cultures that consist of rockers and mods in the United Kingdom and hippie a counterculture in the nineteen sixties. This spread out from San Francisco in united state. Similarly visually distinguishing emo and goth subcultures spawned from the punk cultures. Rock music holding on to its folk tradition of ‘protest song’. It is associated with political activism as well as changes in the social perception toward drug, use sex, and race. It is represent the youth face of revolt and rebellion against adult rule and conformity and it has a large crowd of followers.