Did you ever try Plug.DJ? They went down too, but were on to something. We’re working on rebuilding a similar platform, because we LOVED the community aspect and sharing the latest tracks with people who had similar taste. It’s apples to oranges comparing Rdio, Spotify, or Pandora to Lets.DJ. But you might dig it. Beta by end of year. http://www.designsellout.com/lets-dj/