A leaked version of one of YouTube's controversial secret contracts with independent record labels has been published for the first time - and it appears to be stuffed with clauses that could land Google in trouble.

Google wants to launch a new Spotify-style streaming service under its YouTube brand, and so requires music labels to sign new contracts with it. A leaked copy of one such contract reveals that Mountain View proposes to block indies who refuse to sign the new contracts from YouTube's video service - which is the de facto global digital jukebox