Related Clues:

• Male choir voices
• Neighbors of the sopranos, perhaps
• Some chorus girls
• Some glee club voices
• The Three ___
• Ezio Pinza et al.
• Low strings
• Some horns
• Musical group
• Choir members
• Sopranos' companions
• Sax types
• Singers with low voices
• Bad men of opera, often
• Lowest voices