Related Clues:

• General concern?
• Verdi opus
• Covent Garden fare
• Met activity
• Horse ___
• Reason to buy Met tickets, perhaps
• All-out hostility
• Declaration of Congress
• Bizet work
• Word before glass or hat
• Word with soap or grand
• Entente interrupter
• House where some wear glasses
• Price performance?
• 'Martha' or 'Norma'