Nocturnal Emissions is a sound art project by Nigel Ayers that has released numerous records and CDs in music styles ranging from electro-acoustic, musique concrète, hybridised beats, sound collage, post-industrial music, ambient and noise music. The sound art has been part of an ongoing multimedia campaign of guerrilla sign ontology utilising video art, film, hypertext and other documents. NE has established itself as a legend in the realm of ritualistic industrial music since the 80’s