Earlier quoted context omitted.
The blog you linked to is full of conventional music theoretical discussion such as: "The blues is based around a very different set of harmonic expectations than the ones underlying classical music. In the blues, major and minor tonality are freely intermingled. Dominant seventh chords can function as tonics. Tritones need not resolve." Although the blues uses devices not commonly found in classical music, the langu…
"not completely isolated from hearing classical music" Many of the most important jazz composers and musicians were classically trained and were intimate with the type of music theory we're talking about here. Thelonius Monk could reel off Chopin and Rachmaninoff etudes from memory. "Take the A Train" and many other tunes we associate with Ellington were written by Billy Strayhorn, who's main interest was classical m…
only of Western classical music?