Nokia's rebranded streaming service MixRadio is up and running, and SPIN has launched its very own mix in honor of this year's South By Southwest conference, which is currently underway in Austin, Texas. SPIN's playlist features tracks by some of SXSW's must-see acts, including Against Me!, Dum Dum Girls, Cloud Nothings, the Orwells, and Eagulls. (Another member of the SpinMedia family, BrooklynVegan, has assembled a mix highlighting tunes by Gap Dream, Cate Le Bon, Mutoid Man, and more.)MixRadio allows for personalized playlists, customized radio, and offline listening, and also offers free and premium access options. Right now, listeners can migrate over to MixRadio's SXSW channel to get a feel for the action going down in Austin. MixRadio is available on all Nokia Lumia devices, including the new Lumia Icon. (Also of note: the Icon boasts a 20 megapixel Zeiss optics camera and four microphone HD video recording, so it's perfect to capture all those live music happenings.)SXSW-goers, meanwhile, can visit the MixRadio booth for demos, giveaways, and more chances to win prizes. Get your perfect playlist diagnosed with the MixRadio Musicologist or participate in a dance competition with Ike, the MixRadio mascot, to be entered to win a Lumia 2520, Lumia Icon, and more. Check out the happenings down south from March 13 to March 15.And be sure to stop by SPIN's House of Vans showcase, which takes place on March 12, and SPIN's annual day party at Stubb's, set for March 14.