The author has taught and given lectures on astrology for 35 years and has interpreted hundreds of charts. During that time he has studied how astrology influences people and history. He has self published a 445 page book Planetary Music: Understanding Astrological Rhythms (1998) and has a website with astrological information and predictions that gets 300 hits a day -- it has been in continuous operation since 1996. For six years the author and his wife owned the metaphysical bookstore Guiding Star in Mill Valley (near San Francisco, CA) which has given him an appreciation of the astrological audience. He has worked as a software engineer and software manager for major corporations including Apple, Leapfrog, Cisco, and Autodesk -- most of his software career has been in animation, games, graphics, and TV.