Naomi Lewin observes: "Through a combination of good genes and career choices, some singers, like Placido Domingo, are the Energizer Bunnies of their profession; others crash and burn far too young."

The Washington National Opera has appointed conductor Philippe Auguin as its new music director. The appointment is the latest in a series of shake-ups for the company.

Placido Domingo is recovering at home after having surgery last week.