INVOCATIO BEASTIA DEI (Invocation of the Beast Gods) is a well-paced and deftly layered collage based on location recordings of night creatures – bats, owls, foxes, insects and sea animals. Like many of Nocturnal Emissions’ previous recordings, it combines natural with synthetic sounds in a wholly musical blend. The key to the success of this disc is its rhythm. Every sound has its own looped pattern (many of the sounds are looped), and when these different but complimentary patterns are combined, a dense and enticing aural landscape emerges. This is not empty new age music, meandering, slapdash sound collage, or low-budget field recording, but a meticulously laid out and painstakingly arranged musical environment.