There is a version of this piece for a room of speakers: every star comes from the speakers it actually sits between, and the sky turns around the room instead of around your head. It comes with the app. If you own The Untempered Cosmos on an iPhone, iPad or Android device, you can unlock it on this computer.
Surround is unlocked in this browser.
Next, set up your speakers, then open the piece and choose surround speakers.
On your phone, open the app, tap surround, then get my code. Send the link to this computer, or type the six words here.
The piece itself is free, here, in stereo and binaural. The app plays it natively on your phone, and owning it is what unlocks surround.