Related Clues:

• Echo, for short
• Device creating artificial acoustics
• Effect where amplified sound vibrates
• Musical effect produced via an amplifier
• Father expresses hesitation for bishop to amplify sound
• Rock guitarist's assistant always into R&B
• Father in hospital with backache initially? Echo that!
• (Device for producing) an artificial musical acoustic
• Echoing device bringing four minims right back
• Producer's last note about device in recording studio
• Echo effect applied to sound
• Electronic effect added to music
• Echoing effect
• Echo returning note ... right
• Sound prolongation takes long note right to the top