About Cloudspeakers (from their FAQ):
Cloudspeakers … is a music aggregator of links to legal audios, videos and reviews. All these links are matched with the MusicBrainz Database. If you are the copyright holder of a review, audio or video we link to and you would like the link removed, please contact us. We aim to give the music fan a better experience by ordering the online music reviews, audios and videos.
Like Critical Metrics or Hype Machine.
But immune from death by lawsuit, unlike Hype Machine.
I love the Musicbrainz tie-in. This is a great usecase for Musicbrainz as a universal namespace for music that ties together sources from all over the internet.