Brass than in brass produced by cementation. These may be "natural alloys" manufactured by smelting zinc rich copper ores in redox conditions. Many have similar tin contents to contemporary bronze artefacts and it is possible that some copper-zinc alloys were accidental and perhaps not even distinguished from copper. However the large number of copper-zinc alloys now known suggests that at least some were deliberately manufactured and many have zinc contents of more than 12% wt which would have resulted in a distinctive golden color. By the 8th–7th century BC Assyrian cuneiform tablets mention the exploitation of the "copper of the mountains"
What Time Is Love? original "What Time Is Love?" was covered by the Williams Fairey Band, a brass band which under the stewardship of British artist Jeremy Deller pioneered the Acid Brass concept. Inspired by an Acid Brass concert, Drummond and Cauty collaborated with Deller, incorporating an Acid Brass version of "What Time Is Love?" into their single "Fuck the Millennium". The original 1988 12" single release launched The KLF's minimalist "Pure Trance" series of singles. The "Pure Trance" version is a synthesiser composition based around an acid house riff on three low-pitched notes and one minor chord (B minor). The subtle progression of