Trepaneringsritualen

Trepaneringsritualen is an industrial and dark ambient project created in 2008 by Swedish artist Thomas Martin Ekelund. He describes his style as "ritual music from Göta Länder" 
Style and themes.
Pitchfork defined the project as "heavy ritual ambient" with "an almost psychedelic quality" Orlando Weekly described it as "an immersive experience with few equals in the world of experimental music, a pagan assault on all the senses"
The name Trepaneringsritualen is a reference to the surgical intervention in which a hole is drilled or scraped into the human skull known as "trepanning".
Ekelund has referred to english punk rock band Crass as his most important influence for taught him "the importance of irreverence of form, and that music isn’t confined to the guitar-bass-drums paradigm".