Speculum metal metal mixtures usually contain two parts copper to one part tin along with a small amount of arsenic, although there are other mixtures containing silver, lead, or zinc. The knowledge of making very hard white high luster metal out of bronze-type high-tin alloys may date back more than 2000 years in China although it could also be an invention of western civilizations. Such metals were used in sculpture and to make more effective mirrors than the more common yellow easily tarnishing bronze mirrors. In that era mirrors of speculum metal, or any precious metal, were rare and only owned by
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