Minneapolis - While a majority of U.S. teens still use illicit file-sharing services to download music, their numbers decreased slightly over the past year, with 61% reporting they download music illegally, compare with 64% a year ago, according to a recent survey from Piper Jaffray.

Minneapolis, Minn. - A recent survey of 980 U.S. teens conducted by Piper Jaffray found that 64% said they download music illegally, down from 72% a year ago, while 36% said they purchase music from online services, up from 28% last year.