Maybe you are interested in this program. It automaticly downloads song lyrics while you are listening. It works great(I’m using it for 2 months now) and supports all good music players:
Winamp 2.x
Winamp 3.0
Winamp 5
Foobar 2000
Windows Media Player 9 (*)
Quintessential Player
MediaMonkey
MusicMatch Jukebox
It also has a karaoke function. Check it out:
