There is some fairly heavy stuff here which might discourage some viewers.
However, Chrominicism is a must, because that is where Harmony "moves".
The others (Generating Basic Materials, Just Intonation, and 4 Forms of Harmony.)
might be more interesting and more useful
once you have seen what we have to say about Harmony itself.
Our use of Chord Symbols should be useful to anyone oriented toward popular music.
The Jordan Triangle establishes a link between the Vertical and the Horizontal, and
Pete's Paradox is an interesting plea for the dominance of Tetrads over Triads.