Chris Willman Music WriterA Kiss concert scheduled for Thursday night at an amphitheater in Pennsylvania was called off with fans gathering outside the gates to enter, after singer Paul Stanley tested positive for COVID.In a social media statement, the group emphasized that everyone in the band and crew is vaccinated.“Tonight’s #KISS show at The Pavilion at Star Lake in Burgettstown, PA is unfortunately postponed due to Paul Stanley testing positive for COVID,” read the statement.