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