Not sure that there really is a 'legal' way to download music without paying for it. Unless you go to bandcamp and an artist has a pay what you want that starts at $0. http://bythebirch.bandcamp.com/releases
"How you dress yourself or how you put on your makeup or whatever the hell you wanna do, IS you. And you ARE beautiful" -Dodie Clark. This is so important and I think I know some people who would love to see this.