Related Clues:

• Puccini creation
• Phantom's passion
• Hawks support it
• Tedious card game
• Kind of house or glasses
• Domingo's domain
• Major battle
• Diva's performance
• Major undertaking?
• Met music
• ''Nixon in China'', e.g.
• Handel's ''Lotario,'' e.g.
• Haunt of a certain phantom
• 6-Across, e.g.
• Work with a libretto