Some important music companies used laws to guard against______. [originaltext]

(26)The world’s leading music companies filed 261 lawsuits against individuals, including a 12-year-old girl, who swapped tunes under copyright over the Internet. More lawsuits are expected but others who have illegally downloaded music files were offered an amnesty if they promise not to do it again.(27)The music industry blames file sharing and piracy, rather than a decline in the quality of its products, for falling sales.