Possible Clues:

• Divas' productions
• The Magic Flute and Don Giovanni, for instance
• "Aida" and "Carmen"
• Performances at the Met
• "Falstaff" and "Fidelio"
• 'The Bartered Bride' and 'The Marriage of Figaro'
• Spear carriers' milieux
• Lincoln Center productions
• Men follow the car for one of them
• Ring components