Thx for your expressions -- and the daily emails I get, give me the motivation to keep going.
My next immediate projects are to describe LVB's Moonlite 1st movement and Wolfies's Rondo Alla Turca because Chopin's FI is too difficult for some (where I placed it in the book). Also, that will round out the set of "most popular music" that I had originally intended to cover, as many students often try to learn these pieces and do not get enough guidance to learn them properly.
I will also keep refining the section on Perfect Pitch because, by tying it to mental play and memorizing MUSIC instead of single notes, I think that now anyone can learn PP very quickly.