After extensive research Dutch researcher, Willem Witteveen, connects data from his own findings with that of other researchers, resulting in ground-breaking conclusions about the true function of the Great Pyramid and its place in history. The Greek mathematician, Pythagoras, stated: "All is number." The American prophet, Edgar Cayce, claimed: "Sound is the medicine of the future" and the late Egyptian wisdomkeeper, Abd ''el Hakim Awyan, always said: "It is all about sound." Willem Witteveen proves that all these men were right and that what we now regard as ground-breaking and new often originated in ancient Egypt, well before the first Egyptian dynasties.This book is divided into five main parts, four of which relate to the four earthly elements Earth, Water, Air and Fire. The fifth part relates to the element or quintessence called Aether. Within this circle all processes on Earth and beyond take place and the element Aether represents the divine world and is the carrier of all inf