Sounds, sequences of tones, and intervals possess a symbolic meaning that is reflected in legends and fairy tales, in traditions of all times and cultures. The magic of music encounters us in incantations, spells, and love songs. Numerous questions and answers arise as soon as we cross the threshold of the unconscious and explore the effects of music in meditation, hypnosis, and trance states. The same musical principles are at work in human life as they are in astrology and numerology. The fundamental tone of a person connects with the basic tones of life to create a powerful harmony that encompasses the entire cosmos.