Related Clues:

• Some singers
• Lowest parts
• Robeson and Pinza
• Choral section
• Boito's Mefistofele and others
• Certain singing voices
• Low men at the Met
• Tenor and alto
• Low-pitched singers
• Bocelli and Caruso
• Some hers singing hymns?
• Glee club section
• Several roles in 'The Barber of Seville'
• Some choir singers
• Some aria singers