Well it's been a while now since Limewire has stopped working due to various legal complications. That doesn't mean it's the end of downloading free music off the internet. Of course there are other programs that work like Limewire, but it's either a virus, or you have to pay a monthly fee to use the program. After some searching, i found out the best solution to this little problem a lot of people experienced after limewire shut down. ListentoYoutube!
This is a free site that allows you to convert youtube videos into MP3 audio. It's free, extremely fast. The only thing you need to do is paste the link from the youtube video you want to convert, and then they give you a download link for it. Easy!