Hot Chocolate (band) Yer Life I Do", Julie Felix, "Heaven is Here", and Mary Hopkin, "Think About Your Children". Gradually the five-piece Brixton-based outfit started to become UK Singles Chart regulars. "Brother Louie", which featured a guest spoken vocal from Alexis Korner, and "Emma" introduced the act. It was in the disco era of the mid-1970s that Hot Chocolate became a big success. A combination of high production standards, the growing confidence of the main songwriting team of Wilson and Brown, and tight vocal harmonies enabled them to secure further big hits such as "You Sexy Thing" and "Every 1's a Winner", which
Hot chocolate effect Hot chocolate effect The hot chocolate effect, also known as the allassonic effect, is a phenomenon of wave mechanics first documented in 1982 by Frank Crawford, where the pitch heard from tapping a cup of hot liquid rises after the addition of a soluble powder. It was first observed in the making of hot chocolate or instant coffee, but also occurs in other situations such as adding salt to supersaturated hot water or cold beer. Recent research has found many more substances which create the effect, even in initially non-supersaturated liquids. It can be observed by pouring hot milk into