The Hunchback of Notre Dame by Book 3 Chapter 2 Page 65

Behold, at a signal given from heaven, for it is the sun which gives it, all those churches quiver simultaneously. First come scattered strokes, running from one church to another, as when musicians give warning that they are about to begin. Then, all at once, behold! — for it seems at times, as though the ear also possessed a sight of its own, — behold, rising from each bell tower, something like a column of sound, a cloud of harmony. First, the vibration of each bell mounts straight upwards, pure and, so to speak, isolated from the others, into the splendid morning sky; then, little by little, as they swell they melt together, mingle, are lost in each other, and amalgamate in a magnificent concert.

It is no longer anything but a mass of sonorous vibrations incessantly sent forth from the numerous belfries;