This summer’s GrassRoots Music & Dance festival in Trumansburg is set for July 19-22 at the Trumansburg Fairgrounds on the west side of Cayuga Lake. The festival is presented over a four-day period (Thursday-Sunday) on four stages, which run ridiculously long hours to accommodate the 80, some bands that play the festival. On Monday, Grassroots organizers announced their full line-up for this year’s festival which is posted below…