Related Clues:
- 'Tosca' or 'Turandot'
- Mezzo-soprano's gig
- Activity for some season ticket holders
- Musical work with a number
- Word with light or rock
- Catalogued work
- Bloch's "Macbeth," e.g.
- Musical extravaganza
- ''The Pirates of Penzance,'' notably
- Numbered works
- Magnum ___
- Plural of 21-Across
- Numbered work of a composer
- Masterpiece
- Magnum piece