For nearly 20 years, in my profession of designer and manufacturer, I was confronted by phenomena that simply could not be explained by conventional technical knowledge. Sound quality seemed to depend on hidden parameters, or insignificant details that should not have had any effect (cables, supports, the time of day, weather etc.). It presented a random character. In the early 2000s, I became convinced that it was necessary to understand whatever was causing these phenomena in order to make a major leap in quality. After years of research and hundreds of experiments, I finally identified what was behind these peculiar experiences.