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SEATTLE, Wash. — At the Paramount Theater in Seattle, T-Mobile has just announced that it has partnered with Rhapsody to create a new music streaming app called UnRadio.

The new service differs from other streaming services in that it allows users to replay and skip tracks as much as they want. The app is available for free to T-Mobile’s unlimited LTE plan customers. For everyone else, the app will cost $5.

Earlier in the evening T-Mobile announced that it will give away music streaming so that its customers will no longer run into data limits or overage charges because of music streaming.

The new concession applies to popular music services Spotify, iHeart Radio, Rhapsody, Pandora, iTunes Radio, Samsung Milk, and BeatPort.

T-Mobile also announced that it will loan consumers an iPhone 5S to test drive its wireless network for seven days.

As part of that program, it also introduced the “Seven Night Stand” challenge, a campaign in which consumers participating in T-Mobile’s test drive can tweet about their experience “cheating on their carrier” to potentially win prizes. “The more you confess, the better your chances of winning prizes,” the company said.

The new program will start this Monday.

T-Mobile is doing its best to show that it’s the outsider, the underdog, the rocker, the rebel. CEO John Legere entered the building here in a spotlight with screaming fans (young T-Mobile employees) and super-loud music.

Legere began his remarks by welcoming the press to the event. Then: “Hope you got the goody bag, you’ll find a doobie right next to the energy drink.”

The “Un-carrier” had scheduled its own press event down in Los Angeles on the same day as Amazon’s Fire Phone event in Seattle. So T-Mobile relocated its press event to Seattle, leading some to wonder if the two events were somehow related. They were not.

All this is happening as Sprint and T-Mobile are talking seriously about a merger to compete with market giants AT&T and Verizon.

T-Mobile’s Wideband LTE network is producing speeds in the wild of 147 megabits per second (mbps) downloads.

T-Mobile customers use 69 percent more data than Verizon, Legere claims, and 100 percent more data than an AT&T customer. Why? because T-Mobile has 70 percent more spectrum per customer than Verizon.

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