 This involved not just music, absorbed via radio, record buying, jukeboxes and TV programs like "American Bandstand", but also extended to film, clothes, hair, cars and motorbikes, and distinctive language.The youth culture exemplified by rock and roll was a recurring source of concern for older generations, who worried about juvenile delinquency and social rebellion, particularly because to a large extent rock and roll culture was shared by different racial and social groups.In America, that concern was conveyed even in youth cultural artifacts such as comic books.