Ok, now that I've blown your speakers out and possibly done minor damage to ear drums, Maybe I should explain how the fireworks gadget works. If you'd like to turn off the explosions scroll the bar on the right down and click on select city then click off on the auto selection that'll turn the noise off.

Now if you want to play with that gadget you can create your own fireworks by clicking on the numbers and the colors, trust me it's really a lot of fun. Go ahead and play I'll wait.........