The mathematician and astronomer Pythagoras greek developed a philosophy for mid-math and half on the mystical concept of "music of the spheres", also called "planetary symphony" .
This is an ancient concept that interprets the proportions of the movements of celestial bodies as a kind of music, inaudible, but the form of harmonic concept and / or mathematics.
Kepler used the concept of harmony of the spheres in his Harmonices Mundi (1619), with astrology in relation with the harmonics.
