I don't really believe in piracy. That's why I use Ubuntu Linux instead of Windows - I know that all the applications I need are available to me for free. Recently I've been downloading a lot of free music - and it's really good stuff. The biggest help in finding it is this blog:
http://freealbums.blogsome.com/
It covers everything from the latest Nine Inch Nails release, through jazz and all the way out to classical. Definitely worth a look.