Watch the Demented!!! online guitar lesson by TrueFire from Rock Guitar Greatest Hits - Vol. 4
Demented!!! is a video guitar lesson presented by Dweezil Zappa and is sourced from Dweezology: Phrase Generators
This is a sort of weird concept that involves playing polytonally. That is, I am ignoring the key that I'm in and just sort of doing some things at random. We'll look at a couple of phrases and discuss how they can be brought "outside the box" by shifting them around on the neck. You will find that by taking somewhat random shapes and phrases and shifting around you can yield some very cool results!