Related Clues:

• Sound of music
• Signal to start talking
• Type of deafness
• Skin quality
• Voice level
• Answering-machine beep
• Soften, with ''down''
• What emoticons help convey
• Word with ''dial'' or ''earth''
• __ poem
• Tone color, in music
• Answering-machine sound
• Blush adds it
• Clock chime, e.g.
• Phone message ender