The Untempered Cosmos by R. Andrew Lee

An app that turns the night sky above you into music: "The Untempered Cosmos is a piece of generative music that uses the sky above you as its 'score.' When you load the page, it asks for your location, looks up which named astronomical objects are above your horizon at that moment, and assigns each one a sine tone. The brighter the object, the louder. The higher in the sky, the more present. Each tone is placed in the space around you to match where its object is in the sky, so a star low in t...