Stumbleupon is great in discovering new music websites. Here are some to check out:

Musicovery: You click on an artist you like and the site will recommend other artists that you may like
LyricsDir: Find lyrics to any song
LyricsFly: Find lyrics to any song. A tad better search than LyricsDir
Pandora:Creates a music station based upon your music preference. Type in your favorite artist and it’ll do the rest