Nick Lowe, Dehd and more: The five best acts we saw at Square Roots Festival

Every year, one question always lingers after attending Square Roots Festival: How on Earth can organizers keep providing this caliber of music performances for free? It seemed like straight-up robbery to see headliners Dehd, Margo Price and Nick Lowe & Los Straitjackets all in the same weekend and not have to buy tickets. Thankfully, the suggested donation boxes were overflowing as fans showed up in droves July 10-12 to take in the flagship summer event produced by the Old Town School of Folk…