According to Charles Neal's Tape Delay, seven hertz is the frequency that is most dangerous to human life with effects including prolapse, internal organ damage, disorientation, vomiting, nausea, and even death. Apparently, the first man to generate the sound was killed in the process. 7-Hurtz, a collaboration between UK DJs Lascelles Gordon and Ben Cowan, was inspired by this knowledge. The former was a co-founder of the UK acid jazz band Brand New Heavies, has drummed for Sandals, Beth Orton and Campag Velocet, and previously ran a club night, ‘Helter Stupid'. Cowan, meanwhi...