"The Hungry Ghosts, we Live in an Old Chaos of the Sun" was the backing track to the At Dusk, We Embrace dance performance at Norður og Niður, so those studio vocals have actually been around a while--oh jeez, it's already almost been a year and a half since then! The only difference I could discern is that for the Norður og Niður version there wasn't the end-of-Niður lyrics bit from 18 minutes onwards.
