As we become more developed pianists changes to our approach really is a situation of "less but more" in the way that you have less change to your approach which produces a much more refined sound/technique. For beginners usually it is the other way around, you put in a huge amount of change to produce baby steps towards a proper refined sound/technique.
How would we define the building blocks?
The basic building block, or the basic concept of playing the piano, is about how we go from one note to the next.(...)The very basic building blocks would be, establishing how we do that in one hand position, and then how we go from one hand position to the next. I think everything basically boils down to that, whether we are playing advanced music or the simplest little thing. Well, of course, there is a lot more in there somewhere.
To put it crudely, the teacher is a hired, paid provider of services just as a plumber, and is there solely to provide the most bang for the buck.
...Through much personal experience and that of my students, I do not believe an exam is a true reflection of one's worth of knowledge, musical skill, or ability to apply such knowledge and skill.
Unlike other subjects such as mathematics where in a majority of cases an exam grader could come to a fairly objective decision to weather a question was answered successfully or not, in music this is not the case.
How would we define the building blocks? I'd actually think they themselves encompass a sort of "school." Are there building blocks that are present across different schools? ...... The very basic building blocks would be, establishing how we do that in one hand position, and then how we go from one hand position to the next. I think everything basically boils down to that, whether we are playing advanced music or the simplest little thing. Well, of course, there is a lot more in there somewhere.