rock music has also helped cultural and social movements. this led to large sub-cultures including mods and rockers in the uk and the "hippie" culture that spread out from san francisco in the us in the 1960s. similarly, 1970s punk culture made the goth and emo subcultures. rock music has the same folk tradition as the protest song. rock music has been involved with political activism. it has also made changes to social attitudes towards race, sex and drug use. it is often seen as an expression of youth revolt against adult consumerism and conformity.