The starter, 'Gray Equidae', could be an outtake from Pierre Henry's Variations Pour Une Porte. Then comes the Grand Guignol horror theatrics of 'Intervision 1', a black metallic beast, all thundering drums and soaring (or sawing) noise. 'Helicial Scan' scrapes out your brain and serves it up for a voodoo ritual during which there's much wailing from a siren of sacrifice, after which you thank them very much and ask for more. 'Intervision 3' has a distinct character to it, being more of an electronic bleep construction featuring the extended growling of a carnivorous robot.
I do hope you get the idea. I'm doing my best under difficult circumstances, namely, being under the spell of a sonic concoction with few, if any, direct comparisons in the music world. They close with 'U-Matic Thrill', which without hearing you might fear is a Nine-Inch Nails tribute, although that's unlikely. A driller killer drone with jack-hammer beats, perhaps? Guess what, it's neither. After the dread of the first five minutes it develops a steady pulse which creates a calming undertow, almost soothing, until you realise that the beat is designed to hypnotise you into walking into that basement...or buying the next Pre-Cert release.