Related Clues:
- "Boris Godunov" singers
- Some opera performers
- Singers in opera perch on one
- Group of unmissable, up-and-coming singers
- Instrument of false spy alert
- Guys who go deep?
- Low singers
- Singers of low songs
- Low men in the choir
- Plishka and Pinza
- Deep-voiced opera stars
- Low operatic voices
- Many opera villains
- Many opera singers
- King Philip and the Grand Inquisitor in Verdi's 'Don Carlo,' e.g