Related Clues:

• Voice below baritone
• Pavarotti, for one
• Bigmouth, for one
• Clef below middle C
• He hits low pitches
• Barbershop necessity?
• Voice above a baritone
• Don Jose, in ''Carmen''
• Source of low pitches?
• Wide-mouthed fish
• Barry White, notably
• It's deep
• Deep end?
• Opera's hero, often
• General meaning