Music streaming services can eat into your data plan, but T-Mobile just lightened the load for music and video lovers. T-Mobile has added Google Play Music, Soundcloud, and Xbox Music among 14 new music streaming services that work with T-Mobile’s Music Freedom plan. For users with an eligible phone plan , any music streamed from a supported service won’t count toward their data cap. Spotify, Rdio, Pandora, and several other streaming apps are already on board. In August, T-Mobile said it was working to add Google Play Music , as it topped a subscriber poll of most-wanted services. The network says it doesn’t charge providers to participate in Music Freedom, so T-Mobile likely delayed the rollout until it had built enough capacity to accommodate its subscribers' jam sessions. Head to the T-Mobile news release to see the full list of newly added services. T-Mobile says since launching Music Freedom this summer, subscribers are streaming an average...