Related Clues:

• Really bad music, to the listener
• Half of junior's meal?
• Loud noise
• When repeated, meal for the pets
• Librarian's bane
• It's often made to get attention
• Sleep threatener
• Loud sound
• Feature of city life
• Confused noise
• Strident noise
• Hard on the ears
• Kipling's "Gunga __"
• Library taboo
• Crowd commotion