Related Clues:

• Pavarotti, notably
• See 29-Down
• Jan Peerce, e.g.
• Bocelli's pitch
• ___ sax
• Saxophone range
• Pinkerton, in 'Madama Butterfly,' e.g.
• Bocelli, for one
• Four-part harmony part
• Opera singer
• General course
• Barbershop need
• Maria Callas, for one
• Caruso, for one
• Top man in the choir?