Once used to frequent rejection letters, Blue has become a regular on major stages and is singing the title role in “Aida” at the Metropolitan Opera.

It’s been 150 years since the Palais Garnier opera house opened in Paris. Today, it is still a working theater — with 172 performances scheduled for this season.

“Severance” is finally back for its second season, three New York art museums are set to reopen and ballet goes extreme.