Modes for Guitar: A brief introduction

The first thing that I want to say about modes is that Modes are not a difficult concept. What they are is a very difficult concept to explain.Once it clicks, you'll not believe how simple and easily applicable an idea they are. That's not to say it won't take some work. There are no ludicrous, "One neat trick." BS promises in here but anyone can understand modes and learn to apply them in any key anywhere on the neck.Twenty years or so ago when I was trying to get to grips with Modes, conc...