Related Clues:
- Event at L.A.'s Dorothy Chandler Pavilion
- 'Tosca' or 'Thaïs'
- 'Rigoletto,' for one
- Work at the Met
- Concert performance
- Where the Marx Brothers spent the night
- Light __
- ''Carmen'' or ''Aida''
- ''Norma'' or ''Fidelio''
- 20-Across, for one
- Wagner creation
- Beethoven's 'Fidelio,' e.g.
- P.D.Q. Bach's "The Stoned Guest," e.g.
- Work with choruses
- Rossini genre