He has shared songwriting credits for the NIN songs "[[The Way Out Is Through]]" and "[[Starfuckers, Inc. (song)|Starfuckers, Inc.]]" He appears in the [[Nine Inch Nails music videos|music videos]] for "[[Hurt (song)|Hurt]]" (live), "[[Eraser]]" (live), "[[Wish (song)|Wish]]" (live), "[[The Perfect Drug (song)|The Perfect Drug]]" and "[[Into The Void (song)|Into The Void]]". He has also done remixes for various bands, including: White Zombie, Marilyn Manson, Rammstein, [[Prong]], Killing Joke, [[Related bands and artists#Type O Negative|Type O Negative]], Zilch, Schwein, Collide, [[12 Rounds]], Foetus, [[Related bands and artists#Meat Beat Manifesto|Meat Beat Manifesto]] and Esthero.
Since leaving the NIN camp in 2001, he has worked as a composer. He has scored the entire ''Saw'' franchise, other scores such as ''Resident Evil: Extinction'' (2007), ''Death Sentence'' (2007), ''Dead Silence'' (2007), ''Deepwater'' (2005), as well as the TV series such as ''Las Vegas'', ''Fastlane'', ''NUMB3RS'', ''American Horror Story'' and ''Wayward Pines''. He also appeared in the documentaries ''Moog'' (2004) and ''I Dream Of Wires'' (2014).
==Body Of Work with NIN==