Brass make brass was not recognised as a metal. The King James Bible makes many references to "brass". The Shakespearean English form of the word 'brass' can mean any bronze alloy, or copper, rather than the strict modern definition of brass. The earliest brasses may have been natural alloys made by smelting zinc-rich copper ores. By the Roman period brass was being deliberately produced from metallic copper and zinc minerals using the cementation process, and variations on this method continued until the mid-19th century. It was eventually replaced by speltering, the direct alloying of copper and zinc metal which was introduced
Industrial metal Complete", Obituary's most successful album. The other band members' refusal led him to form Meathook Seed. In the early years of the 21st century, groups from the black metal scene began to incorporate elements of industrial music. Mysticum, formed in 1991, was the first of these groups. DHG (Dødheimsgard), Thorns from Norway and Blut Aus Nord, N.K.V.D. and Blacklodge from France, have been acclaimed for their incorporation of industrial elements. Other industrial black metal musicians include Samael, The Axis of Perdition, Aborym, and ...And Oceans. In addition, The Kovenant, Mortiis and Ulver emerged from the Norwegian black metal scene, but