Chemical substance made in a laboratory. Other chemical substances commonly encountered in pure form are diamond (carbon), gold, table salt (sodium chloride) and refined sugar (sucrose). However, in practice, no substance is entirely pure, and chemical purity is specified according to the intended use of the chemical. Chemical substances exist as solids, liquids, gases, or plasma, and may change between these phases of matter with changes in temperature or pressure. Chemical substances may be combined or converted to others by means of chemical reactions. Forms of energy, such as light and heat, are not matter, and are thus not "substances" in this
What Time Is Love? riff from "What Time Is Love?". In 1993 "What Time Is Love?" was covered by U.K. based American Noise/Art Rock band The God Machine. The track appeared as a B- side on their limited silver vinyl "Home" single and a promo CD. In 1997 a trance cover-version was released by German producer Talla 2XLC and in 1998 Choci and Mark Sinclair released their own hard trance reworking entitled "What is Love?". Reviewing Drummond's book "45" for "The Observer" in 2000, Steven Poole labelled "What Time Is Love?" an "epic pop masterpiece". "The Observer" also described the "Pure Trance Original" as