Related Clues:

• "Carmen" and "Aida"
• At least a dozen Mozart works
• "Norma" and "Tosca"
• 'The Bartered Bride' and 'The Marriage of Figaro'
• "Falstaff" and "Fidelio"
• Performances at the Met
• "Aida" and "Carmen"
• The Magic Flute and Don Giovanni, for instance
• Divas' productions
• Productions with arias
• Stage works composed as per Ring
• Writing in Aesop adaptation works on the stage
• Shows with lots and lots of singing
• Productions at the Met
• Some musical works by Kaija Saariaho