Related Clues:

• Handel's ''Lotario,'' e.g.
• Haunt of a certain phantom
• 6-Across, e.g.
• Work with a libretto
• Donizetti offering
• Puccini presentation
• Impressive work
• Phantom's mecca
• Performance at the Met
• Musical work featuring 3-Down
• Phantom's territory
• -- Dei
• Word with space or soap
• Stage work
• Puccini performance