Italy’s virus cases surged.An outbreak in both La Scala’s chorus and its orchestra forced the country’s premier opera house to cancel for the first time one of the top events on Europe's cultural calendar.Oropesa is now set to be one of more than 20 opera stars, among them Placido Domingo, Roberto Alagna and Piotr Beczała, recording arias and duets from the tiered theater for a broadcast gala event marking the traditional Dec. 7 opening.