I particularly like the "neighbors" feature, which shows you people who have similar tastes as you. You can then see what they're listening to that you aren't.

I particularly like the "neighbors" feature, which shows you people who have similar tastes as you. You can then see what they're listening to that you aren't. Also PureVolume (http://purevolume.com http://purevolume.com) is excellent for listening to independent music.