Nokia’s Lumia 520 is often referred to as the Zune phone, and Microsoft appears to be affirming that moniker this week. Nokia’s low-cost handset is the subject of Microsoft’s latest Xbox Music deal, which involves the choice between a Lumia 520 on ATT or Lumia 521 on T-Mobile coupled with 12 months of Xbox Music for just $99. Both handsets come with no contract and include direct access to Microsoft’s Xbox Music service thanks to Windows Phone 8.