One of the things I find hardest to teach to guitar students is modes. The concept of modes is actually not hard to understand, but it is a hard thing to explain in person. There are a few key concepts in modes theory that seem at first to contradict each other, or at least ‘get in the way’ of each other when trying to explain it in conversation.
In written format, or more specifically blog-style written format, the task of explanation becomes quite simple and easy. For example, I can quite easily mention the Ab major scale, or the Lydian mode, or mention that F Dorian and Bb Mixolydian are both derived from the same major scale (Eb major, that is) and provide linked text that allows the reader to explore further, without digressing to far from the main point, whereas in conversation, I probably would have lost the listener a few sentences in.
I have always thought that a written guide to understanding modes was needed and I finally got round to putting it all together. Here it is…