The band Slowdance played their 11th (or possibly 12th) show a week ago, opening for PS I Love You and Diamond Rings at Glasslands. Unusually captivating for an unheralded opener, the quintet zipped through a quick set of tight and moody, occasionally Francophonic indie-pop. (This sat well with French-Canadian fans of the bill's headliners.) Slowdance bring keyboard and guitar and ...