There are a ton of free music download programs available throughout the internet for download, but it's important to be able to differentiate between programs that are harmful to you and may put you at risk and those that wont. Frostwire is a popular P2P client where users can download music files from other users across a large P2P network. There is also Limewire, although limewire has been
. associated with some malicious software. Another option as far as free music downloading goes is using a torrent client for example Utorrent can be used to download .torrent files from websites across the internet. With all these there can be some risk of malicious software or attacks, but as long as you scan your files daily and keep your virus software up to date you should not have a problem with any of this.