I believe that assisting you in breaking or stripping copyright protection is against the rules here at Tom's Hardware. I am sorry, but I don't think you will get any help here.
@ Ipcrierie
Download this free audio converter, Load the music files and convert to WAV
http/www.freemake.com/free_video_converter/
or, burn the files to dsic, rip them back in Windows Media Player and that removes Protected and makes the files MP3