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
http://thomassanders.com/post/153403976269/had-one-of-the-best-days-ever-with-some-of-the << The url to a wondrous video of pureness I love them so much! Thomas Sanders got his dream come true, considering that he's a big fan too!