EMI Music has become the first label to license its repertoire to US development company LTDnetwork, the owners of an advertising-supported, legal peer-to-peer service.

The P2P platform, QTrax, is available as a two-tiered service. The advertising-funded, free tier, allows users to search the network for specific tracks, which have been licensed to the service. The tracks will be encoded in QTrax's proprietary ".mpq" file format.

The second tier is a premium subscription service, which will require a monthly fee. The ...