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GREENFIELD, MA - JULY 11: Rubblebucket performs during the Green River Festival 2015 at Greenfield Community College on July 11, 2015 in Greenfield, Massachusetts. (Photo by Douglas Mason/Getty Images)

GREENFIELD, MA - JULY 11:  Rubblebucket performs during the Green River Festival 2015 at Greenfield Community College on July 11, 2015 in Greenfield, Massachusetts.  (Photo by Douglas Mason/Getty Images)