Wow this is actually a thing

http://en.wikipedia.org/wiki/Harmony_of_the_Spheres

I thought it was merely a literary trope... Poe:

In a theory known as the Harmony of the Spheres, Pythagoras proposed that the Sun, Moon and planets all emit their own unique hum based on their orbital revolution,^[2] and that the quality of life on Earth reflects the tenor of celestial sounds which are physically imperceptible to the human ear.^[3] Subsequently, Plato described astronomy and music as "twinned" studies of sensual recognition: astronomy for the eyes, music for the ears, and both requiring knowledge of numerical proportions