This is an area of guitar playing that is at the forefront of my mind at the moment - partly because it is an important part of my gigging repertoire - and because I have students that want to learn more about it. For these reasons - and because of my great interest in this approach to playing guitar - it is an intention to develop a course on it - perhaps even a 'book' . But these things take time to develop; even if the cogs are now turning. In my view, any course or books should cover the topic extensively - covering every type of guitar used, every technique, every style and every approach. It should enable you to become a better composer, arranger and improviser for this particular medium. That is certainly the intention in the time ahead. In the meantime, if you should want guitar lessons....