Possible Clues:

• Loud ringing noise
• A racket dropped in error, say
• Result of strikes in the metal industry
• Group of families get green light to approach old city with resounding racket
• Loud banging or ringing
• A lot of the Scots to go to the old city (8)
• Loud resounding noise
• Uproar; loud repeated noise
• By the sound of it, it gets almost lazy after a century
• Continuous noise is a blunder, they say