Related Clues:

• Certain voice range
• Lohengrin, for one
• Melchior, for one
• Caruso, notably
• Part of SATB
• "Nessun dorma" singer
• Jussi Bjorling, notably
• Met performer
• Male singing voice
• Caruso, among others
• Part in the middle
• Caruso was one
• Luciano Pavarotti, e.g.
• Thrust
• Voice higher than baritone