Local record label Signature Sounds celebrates 15 years of the Green River Festival at Greenfield Community College on July 17, 18 and 19. Live music on two stages, a dance tent, food vendors from local restaurants, activities for kids, hot air balloons—what more could one ask of a summer festival? Close to 20 musical acts are slated to perform, including Michael Franti (pictured) and Spearhead, Sharon Jones and the Dap-Kings, Kathleen Edwards, CJ Chenier and the Red Hot Louisiana Band, Justin Townes Earle, Trombone Shorty and Orleans Avenue, and the Sweetback Sisters. Order tickets early for a discounted $45 weekend pass.

July 17, 5 p.m., $25-60; July 18, 1 p.m.; $45-60, July 18-19, 6 a.m. balloon launch (for more info, check the website), Greenfield Community College, One College Drive, Greenfield, (413)-773-5463, www.greenriverfestival.com/index.html.