Related Clues:

• Mozart specialty
• "William Tell," e.g.
• Word with buff or buffa
• Numbered musical work
• Met offering
• Met show
• Musical output
• Where you might take a lorgnette
• See 29-Down
• Met work
• Phantom's entertainment
• "Carmen," for one
• Comic-strip penguin
• Toes the line
• "Mr. Holland's ___"