it is indeed illegal to download the copyrighted music, about as illegal as jaywalking or littering but still ilegal none the less. but the way the music industry rips you off when you buy music some what justifys it . you reely dont need to worry about it, the vast number of people doing it reduces the chances of getting cought from verry slim to none. to reduce the chanses even more , just dont share more than about 200 files MAX.