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SXSW 2013: Free Energy's Rallying Cry

Free Energy brought their straightforward, catchy rock music to amp up the crowd at Rolling Stone's Rock Room. The band tore through their eponymous battle cry, "Free Energy," a song off of 2010's Stuck On Nothing, a track that opens with a cowbell and doesn't let up.

Check out Free Energy's show above.

This article originally appeared on Rolling Stone: SXSW 2013: Free Energy's Rallying Cry