Related Clues:

• Cannon sound
• Economic prosperity
• Surge in sales
• Business owner's delight
• The noise of increased business activity?
• Time of great prosperity - hear the sound
• Period of prosperity or sonic sound
• It's used to prevent entry of noise or water
• Resonant sound, like artillery
• When business is great, opposite to bust
• Horizontal spar on board
• Big bang sound
• One may have the option if one gets one's teeth into this, by the sound of it
• Rapid economic expansion
• The hollow sound of success in business