Rock music is a genre of popular music which evolved developed during 1960s, in the countries of U.K. and U.S. The rock music has evolved from the genre rock and roll. It is nfluenced a lot by rhythm and blues and country music.
Rock music also drew strongly on a number of other genres like blues, and included influences from jazz, classical and other genres of music. Rock music's back bone is an electric guitar, an instrument which is a part of rock band with bass guitar and drums. The dominance of rock music is seen mostly in white male musicians and it has been associated with political changes in social attitudes to race, sex and drug abuse. It is often seen an outlet of youth revolt against adult traditionalism.