Related Clues:
- Deep singers
- Deep vocalists
- Low-voiced belters
- Ezio Pinza and Samuel Ramey
- Some operatic voices
- They've got deep voices
- Male singers with deep voices
- Graduates' deep call for help
- Met villains, perhaps
- Several 'Boris Godunov' parts
- Samuel Ramey and Ezio Pinza
- Choral contingent
- They have very low ranges
- Deep voices
- Deep, low voices