Since the 1950s rock music has come all the way through the renewal of rock in the 1960s, the Beatles, from England the rock music of the 1970s with much more subdivisions: hard rock, mellow rock, folk-rock, country- rock, heavy metal rock, glitter rock new wave rock, etc. and then the eclectic 1980s when bands became production oriented partly because of the sudden explosion of videos"on TV screensSince the 1950s rock music has come all the way through the renewal of rock in the 1960s, the Beatles, from England, the rock music of the 1970s with much more subdivisions: hard rock, mellow rock, folk-rock, country￾rock, heavy metal rock, glitter rock, new wave rock, etc., and then the eclectic 1980s when bands became production oriented partly because of the sudden explosion of “videos” on TV screens