Bronze and brass ornamental work a smaller or greater amount of zinc. In early times this metal seems to have been sparingly employed, but from the Middle Ages onward the industry in brass was a very important one, carried out on a vast scale and applied in widely different directions. The term "latten", which is frequently met with in old documents, is rather loosely employed, and is sometimes used for objects made of bronze; its true application is to the alloy we call brass. In Europe its use for artistic purposes centered largely in the region of the Meuse valley in south-east Belgium, together with
Industrial metal Hard Rock Video), and Marilyn Manson's output with Richard Kern and Floria Sigismondi. NIN later collaborated with Bill Viola for live accompaniment. Trent Reznor also produced the soundtracks for the films "Natural Born Killers" and "Lost Highway", and served as "musical consultant" for "Man on Fire". Rob Zombie has directed three films. As of 2009, Marilyn Manson is in the process of directing "". Other films that have included prominent contributions from industrial metal artists include "The Crow", "Johnny Mnemonic", "Spawn", "The Matrix", "Blair Witch" and "A.I. Artificial Intelligence". Its emphasis on transgressive themes has made a few industrial metal