Spacetonebounce is a triangulated white noise based on the way space sounds from inside a shuttle. It’s comprised of the hissing of the oxygen feed, the rattling and vibration of of the metal and plastic and other equipment and the rumbling of the overall shuttle moving through outer space.
Xanadu is based on real samples of the clicking, popping and whizzing noises of magnetic waves. It resembles a magical and wonderous journey through a secret, underground passage.