Related Clues:
- Cavern effect
- Word with "onion" or "promise"
- Tunnel effect
- Amp effect
- Steadily fading sound
- Return call?
- Singer's comeback
- What Gollum once possessed
- Whom Narcissus spurned
- Audio technician's concern
- Repeated response
- Guitar pedal effect
- Call on the phone
- Return from a mountain?
- It will come back to you