Related Clues:

• Work on a grand scale
• Evidence of Sills' skills
• "Toreador Song," e.g.
• 'O Isis und Osiris,' e.g.
• Fat lady's solo?
• Diva's performance, sometimes
• 'Aida,' e.g.
• Opera-house highlight
• Big moment at the Met
• Diva's big opera number
• It literally means ''works''
• 'Che gelida manina,' e.g.
• Setting for a Marx Brothers farce
• "Bravo!" elicitor at La Scala
• Soprano showcase