First of all, Professor explains a passage where the chords are very important at the beginning of the phrase and the relevance of the fermata at the end. Moreover, in this piece it is very advisable to highlight the parts in which the harmony has a psychological sensation of surprise.
Eldar Nebolsin plays several passages to show to the student some aspects, making him suggestions on character and articulation, or different attacks to get a specific sound. They work on rhythm, harmony, dynamics, pedal, left hand technique, color and expression among other things during the class.