tranquil storm

Once upon a time, in a city at the far ends of a far world, sound didn't exist. The city was calm, quiet. Nothing moved, nothing breathed, leaves didn't flutter with the wind, people and animals alike didn't make noise. Pens didn't scratch against papers, birds didn't chirp, and musical instruments were neglected in all corners and left to collect dust.
See, the inhabitants of this city tried time and time again to scream, shout and yell to no avail. Soon, the sound became a myth, and their lives sank into a tranquil, calm existence.   
On a grey morning, perhaps the greyest of them all, the wind blew. It huffed, puffed and stormed, maybe howled, but no one heard. However, an unattended bag of marbles, in an unattended attic in a small home, fell to its side and its contents rolled down a wooden shelf, rang against a plate, then dropped to the ground. The little glass balls had the colors of a rainbow and the second they hit the floor, they were heard. 
The red