Last July, the Palladium Outdoors drew upward of 8,000 fervent fans for Have Heart’s reunion concert, which was regarded as the “biggest hardcore show ever,” and the following weekend, more than 5,000 turned out to the parking lot stage behind Worcester’s historic concert hall for the Sad Summer Festival.This year, the Palladium’s mainstage, upstairs and outdoor venues have been silent and empty since the COVID-19 shutdown in mid-March. […]