Live365 boasts over 6000 radio stations that you can listen to for free. These stations are run by actual people and not computer generated like some stations on other websites.
(Listed On Tue Jul 28 20:17:12 2009)

Jango Internet Radio

On this website you can listen to your favourite artists from radio stations all over the world. All you have to do is type in your fav artist and the website does the rest for you, in seconds you will be listening to your favourite music.
(Listed On Tue Jul 28 20:17:52 2009)

Listings

Online Radio Stations If you love listening to free music radio stations on the Internet then you should take a look at this site as they have a guide to all the free radio stations that are available for you to listen to on the net. You will easily be able to find the best radio stations that play the type of music you prefer.
(Voting: 0.00 From 5 On 0 Vote!) Vote! Why? (Date Listed Sun Sep 19 17:45:45 2010)

Radio Tower If you are looking for a site that has lots of free radio stations that you can listen to then you should take a look at this website here as it has over 5000 stations that you can listen to right now.
(Voting: 0.00 From 5 On 0 Vote!) Vote! Why? (Date Listed Mon Aug 24 00:45:14 2009)

Grooveshark At Grooveshark you can create your own internet radio station for free as well as being able to listen to millions of available streaming mp3s.
(Voting: 0.00 From 5 On 0 Vote!) Vote! Why? (Date Listed Mon Aug 24 00:44:41 2009)

Last.Fm On Last.fm you can choose to listen to whatever you want to listen to. All you have to do is to type in an artists name or a genre of music that you want to listen to and within seconds you could be listening to the music you like best.
(Voting: 0.00 From 5 On 0 Vote!) Vote! Why? (Date Listed Fri Jul 24 23:18:45 2009)