Werner Carstens wrote:
They will never understand the emotion that is reflected in what has been referred to as a "guitar face''....that bent note that comes from your soul, driven outward and upward, starting in your feet and ultimately smashing forth through the top of your head. They will never understand how we can exorcise our demons through it, how it saves our souls and brings us peace.
Gee.... I hope nobody extrapolates this to suggest that all activities that have a bloke grimacing and pulling weird faces are the result of something from deep in the soul being driven outward and upward, or are an attempt to exorcise demons.