I've been thinking about this for a while. I've had this book for about a year. I worked on the first section of major rooted chord progressions. I went through them for the fingerings up and down the fretboard. Then I put the book away and picked it up again a few months ago with a different approach. All of the chords, rooted or rootless have the note functions of each chord (6th, 7th, 3rd, etc.) This time as I'm going through the book, and I'm about halfway through it with this approach, I've been spending more time on each progression with the goal of looking at and studying each of those note functions in the chords. Then a light went on. Studying each progression this way in as many keys as feasible, I steadily became more comfortable and easily aware of what was going on in the chords. (Ah! The 6th of an Eb chord is C, for example). But now here comes the interesting and fun part; when I close the book after a practice session, I'll pick up the guitar just to noodle around and see where my brain and fingers would like to go. It's at that point that the entire fingerboard comes alive with 3rds, 6ths, 9ths, 13ths. As the authors state, the information gets into your subconscious and then without thinking about it, you are able to use the information in creating music. It's really a fascinating thing, and I want to thank these guys for writing such a well thought out useful tool.

~ Gasper Bonura on June 18, 2016