Ok, that's not a challenge, just an assumption.
I'd heard of COSTES a while ago, mentioned int eh same paragraph as Suckdog and Harry Pussy if i recall correctly.
I presumed it was late 80's proto-industrial noise, a la Head of David, Big Black. Almost , but not quite.
LOTS of mp3's here
http://costes.org/mp3.htm
i recommend
'the cat pees on my PC'
'sperm, blood and baby'
and 'butt fucking mummy'