Thank you Richard, interesting info.
Science everytime more is becoming a tool to discover why we enjoy and we don't like different kinds of music.
Of course, it depends of the configuration of your brain.

Have you study connections between music and evolutionary psychology? EP is bringing interesting clues...

I have been investigating with my group of electronic music "Cosmodelia" about evolving frequencies and the different effects they have on us.

You can listen and/or download our music at:
www.mp3.com.au/cosmodelia

About all this, listen tracks like "Hypnotic Chaos Machine", "Brain Mutation Plus", "Chaotic Cosmos", "Cosmic Discovery", etc.

You will need to listen a few minutes to note the evolution of sound and to be able to feel some effect on you...