Here I discovered a subtle flaw, namely that on the dark blue map it was difficult to see the black arrows with the names of the composers, which were directed to the individual countries. At the same time, everything was clearly visible on the computer, but it was merged by projection on a screen. From this follows the lesson that one gains much experience only from practice. I immediately redesigned the presentation so that I could use it in the future.
At the same time, everything was clearly visible on the computer, but it was merged by projection on a screen.