Saturday afternoon’s At-Home Gala, the brainchild of Met general manager Peter Gelb, will have opera stars performing live on the Web from wherever they’re waiting out the COVID lockdown. What’s the controversy? Detractors say that a company that furloughed all its staff performers and declared force majeure to break soloists’ contracts has no business asking those people to perform for free. “But with one or two exceptions,” Gelb tells David Patrick Stearns here, “everybody leapt at the idea of doing this.” – WQXR (New York City)