Here, I am offering a basic overview of what's to come regarding Blues Theory. I will be discussing the Three Systems; why the Blues is so important; and finally, 'Blues Clues' or, the footprints left in the sand by the Blues. Bear in mind, there is no theory or system from the perspective of academic music studies that explains, theoretically, why the Blues works. In the final analysis, it's still a mystery. But, because of music theory, we can at least discuss its properties and traits and why the Blues is such a radical, world-changing form of music. [By the way,--and how embarrassing!--I referred Arnold Schoenberg as Arnold "Schoenfeld!" I must have been thinking of one of my students with that last name. Pardon that one!] ... https://www.youtube.com/watch?v=0QgLaxHXOXo