Shameless plug: I'm a paying Spotify user but they don't get hiphop mixtapes and they miss some hiphop singles, so I built http://hooked.fm http://hooked.fm. It

Shameless plug: I'm a paying Spotify user but they don't get hiphop mixtapes and they miss some hiphop singles, so I built http://hooked.fm http://hooked.fm. It's new hiphop music and notifications when your favorite artists release new music.