Related Clues:

• One of a singing trio
• "The very ___!" ("What nerve!")
• Light bulb, in a comic strip
• 'Aha!' elicitor
• Pavarotti was one
• Flash of sorts
• Meat, so to speak
• Chorus line
• Course of thought
• Strip light bulb?
• "The very ____!" ("What nerve!")
• It's out of your mind
• Baritone's little brother
• Barbershop quartet voice
• Caruso or Carreras, e.g.