Pandora.com is so nice!!!!! Streaming the largest catalog of music just tell the website a song you like, it does the rest. I put in Talib Kweli "Listen", next thing I heard commercial free: Kids in the hall - ritalin - school was my hustle pete philly & perquis - insomnia - mind.state talib kweli - supreme supreme DL incognito - fall back (life's a collection) wyclef jean - lavi new york j-live - audio visual da ranjahz - aspire - draft radio volume 1 sick.....
It's good for discovering new artists and songs of the same genre you like. I still like to have some control of what I listen to though.