HELMET Formed in 1989, the alt-metal group Helmet broke up in roughly a decade later, only to reform in 2004. Though the only constant in band members has been founder Page Hamilton, the band has released three albums since its reunion, most recently Seeing Eye Dog in 2010. The band combines heavy, distortion-fueled with guitar with crisp drums and clear vocals. With 2013 Wolves, Hectagons, Hoverboard. $15-$30. Neighborhood Theatre. www.neighborhoodtheatre.com.