Related Clues:

• Style of the '20s (with 49-Across)
• Met piece
• -- Deco
• La Scala show
• Phantom's place
• Sometimes it's grand
• Works of beauty
• Verdi product
• ___ nouveau
• Some public hangings
• 'But is it ___?'
• Word with collection or class
• Restorer's concern
• Kathleen Battle's field
• What some see with Met tickets