Related Clues:

• 'Nixon in China,' for one
• Solo appropriate for this puzzle
• Verdi's "Caro nome," e.g.
• Massenet offering
• Kathleen Battle's bag
• Butterfly locale?
• Opera staple
• Covent Garden event
• Musical show
• Beethoven wrote one
• "Faust," for one
• Rossini work
• Song of "Salome"
• Gig for Domingo
• Phantom's locale