Instruments on NASA's Voyager, INJUN 1, ISEE 1 and HAWKEYE space probes were used to record the vibrations of different objects in our solar system. Says NASA: The recorded sounds are the complex interactions of charged electromagnetic particles from the solar wind, ionisphere, and planetary magnetosphere.
"I just think the world ought to be more sort of organized."
"That's just fantasy," said Twoflower.
"I know. That's the trouble." Rincewind sighed again. It was all very well going on about pure logic and how the universe was ruled by logic and the harmony of numbers, but the plain fact of the matter was that the Disc was manifestly traversing space on the back of a giant turtle and the gods had a habit of going around to atheists' houses and smashing their windows.