Related Clues:

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