Ok so check this out. I happened across this thing on a livejournal site, and decided to do some reseach and find out about it. Basically, it is the concept that certian frequencies of sound can alter your brain waves and produce better concentration, relaxation, and even "out of body experiences" So, I found these three sites and torrented some cds to try out. SBaGen -- Binaural Beat Brain Wave Experimenter's Lab Digital Drug. Binaural Beats Digital Drugs. Total Mind Buzz - A Natural High. Holosync: Centerpointe Research Institute: The Most Powerful Personal Growth, Meditation and Mind Development Tool on the Planet the last one is sort of hokey, but there is some good info in there despite that. has anyone heard of this or tried it?