Related Clues:

• La Scala show-stopper
• Callas' specialty
• 15-Down specialty
• Barber's offering
• Mozart composition
• Met number
• Lincoln Center presentation
• High point at the Met
• Bizet creation
• 'Turan-dot tune'
• Diva's lines
• Song for "Aida"
• Opera offering
• Mozart specialty
• Air in an opera