Related Clues:

• Tubes
• Singer's asset, slangily
• Water conduits
• Vocal cords, informally
• Organ features
• Plumber's supply
• Vocal cords, in slang
• They'll hold water
• Wind instruments
• Elvis had good ones?
• Plumber's concern
• They're found under the sink
• Voice, in slang
• Organ parts
• Vocal cords, so to speak