Lithuanian soprano Asmik Grigorian warms up backstage during a performance of “Rusalka” at the Teatro Real in Madrid, Spain, on Thursday, November 12, 2020. The theater is one of the few major opera houses that have reopened during the coronavirus pandemic, although to smaller audiences. The cast, chorus and orchestra members are tested every three days. Offstage, masks are compulsory. (Photo by Bernat Armangue/AP Photo)
