Related Clues:

• Today's music, generally, to some parents
• Vociferous
• Sound of change
• Kipling's Gunga
• Slumber stopper
• Signal interference
• One kind of pollution
• Headache cause
• Headache sufferer's bane
• Threat to peace?
• Sleep inhibitor
• 2007 Tim Robbins vehicle about sonic pollution
• Causing a ruckus
• Big blast
• Symptom for a car mechanic