"Knead the keyboard as if you were making pottery." Jacques Rouvier
In the beginning, the master highlights problems in the left hand (since, as he perceives, all the mistakes come from there), and some details in the right hand. After making these observations, he focuses on a key aspect of Johann Sebastian Bach, which is related to the direction of the discourse: “Always try to lengthen the idea of action, from how far you go, to the point you reach, in order to ease the tension a bit."
Beyond those first observations, they work in detail on very specific technical issues, in order to ensure that the work develops with a clear direction, that there is no lack of expression, and that the character is appropriate.
-Importance of direction, and character
-More pressure in the fingertips to achieve a big sound
-It is necessary that the arm is free
-Once the choice of color is established, then the player can take care of the phrasing a