Related Clues:
- Prima donnas' deliveries
- Some elaborate solos
- "O Mio Babbino Caro" et al
- Prima donnas' pieces
- Libretto features
- Arias for one
- Unaided performances
- Five things in 'La Bohème'
- Solos for Sills
- Opera performances
- Compositions for a single voice
- Verdi compositions
- Lincoln Center showstoppers
- Songs sung alone
- Met demands?