If you haven't been keeping track, the lineup for Snowball Music Festival 2012 is getting more and more compelling. Earlier today, Snowball organizers announced the addition of last year's Westword Music Showcase headliners Ghostland Observatory and Gauntlet Hair to an already impressive lineup that includes Big Boi, MiMOSA, The Head and the Heart, Boombox, TV on the Radio, Bassnectar, Rusko, Unknown Mortal Orchestra and Elephant Revival. Advance three-day tickets for the festival, which takes place in Avon from Friday, March 2, through Sunday, March 4, are on sale now.
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