Related Clues:

• Repeat performance
• You've heard this before
• Sound reflection
• Sound that's coming back?
• Utter an identical sentiment
• Yodeler's feedback, perhaps
• Promotional product
• Acoustical engineer's concern
• Toy related to a movie, e.g.
• Marketing connection
• Nymph spurned by Narcissus
• It will return your calls
• Bit of synergy
• Sonic rebound
• Say the same thing as