Not quite what you are looking for perhaps, but I use http://blip.fm http://blip.fm I have found that very useful for finding new music by following (like Twit

Not quite what you are looking for perhaps, but I use http://blip.fm http://blip.fm I have found that very useful for finding new music by following (like Twitter) users who post songs I like, then then daily I get to hear new songs I haven't heard. I have got into lots of new bands that way. http://blip.fm/MCFlurry http://blip.fm/MCFlurry