First I, Tharg the Educational, advised you Squaxx dek Thargo against the cannibalistic qualities of the evil weed in the flesh-eating frenzy that was Reefer Madness, then I delivered a second cautionary tale of the perils of sex with strange beings from another planet bin the orgiastic Mars Needs Mates, now I warn you Earthlets of even greater threat to your moral welfare - rock music...