I'm cross posting this link from a discussion on the photoreading forum.
http://sciam.com/print_version.cfm?articleID=0007D716-71A1-1179-AF8683414B7F0000 All music, basically, is psychoacoustic. I wonder how much music out there available for 8 dollars from a bargain bin can have as profound an effect as hemisync, holosync, awakened minds, or any of the others?
I know Pink Floyd's Wish You Were Here can definitely send you places. 
