Tip! 30th Anniversary Edition 2CD Digipack 4 Panels PVC Slipcase. Paul Chain's true masterpiece, the hypnotic “Opera Decima - The world of the End”, has been released on both a double CD and on a boxset of three LP's in late 1990, and it was out of print for decades. P. Chain "evil" minimalistic ambient attempts to shape sound itself using overlapping organic drones and electronic noises to create internal harmonies.