Even the most terrible shock has somehow to be built into the fabric of the personality [Recovering: A Journal (Norton, 1980) p. 13]. (religion-online.org)
Carpenter, using a simplistic subjective camera with wicked widescreen framing, and a startling soundtrack ---- composed by himself with effectively eerie incessantly repetitive notes, an homage to Goblin's work on Dario Argento's 1975 giallo jewel, Deep Red ---- would stir distress and terrible shock value for decades to follow. (tasteofcinema.com)