Columbia subject headings:
Popular music--United States.
Violence in mass media--United States.
Violence--Moral and ethical aspects.
Violence--United States--Prevention.
Harvard subject headings:
Popular music--United States
Violence in mass media--United States.
Violence--Moral and ethical aspects
Violence--United States--Prevention
Princeton subject headings:
Popular music--United States.
Violence in mass media--United States.
Violence--Moral and ethical aspects.
Violence--United States--Prevention.