The camera position from above is intended to give a good view on the movements of each finger separately. Consequently, the importance of quick and alert finger substitutions at the service of a fluent legato can be observed.
Viewed on a large screen, a harmonic analysis of the score can be read. I use this analysis in particular for second year students, at the end of the year, after the lessons on, for example, a movement of a symphony by Brahms.