Related Clues:

• Sinatra, vocally
• Male singing voice
• Caruso, among others
• Part in the middle
• Caruso was one
• Luciano Pavarotti, e.g.
• Thrust
• Voice higher than baritone
• Bocelli or Domingo
• Train of thought
• Carreras or Domingo
• Voice below alto
• Male operatic voice
• Wagner's Tannhäuser, e.g.
• Covent Garden vocalist