Reviews of the Chord Progression Chart

I finally understand what I am doing and how to make good and intelligent chord progression. Of course I will have to learn a few days more, but if you want to know something it's so easy to see on the poster, its amazing!"
—Lorenz Vauck, Germany

I live in Australia and had been asking these questions about chord progs for years ... never any light. Now after checking out the
"Harmonic Scales" device I can see this is THE tool for a songwriter.
—John Bliss, Australia

Hey, I've studied theory for awhile but somehow I never learned about the harmonic scale ... Everything emphasized C-Dm-Em-F-G-Am-Bdim, corresponding 7th chords and nothing beyond that. No one explained why many songs for instance incorporated E7, and why it worked. I knew only of Harmonic Minor with the included G#, but nothing of its songwriting use or thinking beyond the minor key.
—W. A., Moore, OK

I really like the Chase chart method. It's very original and very visual. It also focuses on the key center which is very good, I think. By placing non-diatonic chords outside the circle it is very clear to see these chromatic embellishments.
—Alain Benbassat, Belgium

How Music REALLY Works has given me a better understanding about music in general, and the Harmonic Scale/Chase Chart system is a great visual aid in helping me understand song construction.
—Greg Palma, Lynbrook, NY

The concept of a "harmonic scale"...makes a LOT of sense. Which is nice, because there are some days in which music DOESN'T make sense to me, you know? Some of the parts about chord-to-chord movements and how semitone motions relieve tension etc. are really in-depth and really great! ... I'm seeing explanations of harmonic phenomena that I always thought were the case, but was still a little unsure. It's really great to see someone come out and say what you've always suspected. 
—Stedman Wilson, Stanford University, CA