[gardano]

     * the Major Scale, 
     * the Standard Chord Dictionary, and 
     * the difference in feeling between the Major and Minor Triads. 

• Major scale... in what musical period?

• Standard Chord Dictionary. What does that even mean? Please map that onto gregorian chant or even Monteverdi Vespers of 1610.

• As I've indicated elsewhere, a Major 3rd in 13th century France is actually a discord, not a resolution.

If the author had indicated that he was only referring to 19th century European classical music, I'd have been cool with it. But the author isn't even referring to the European musical tradition in general.