https://tvthek.orf.at/profile/Univer...leben/13999742

since this is the main theme around the music, I put it here. the film is in the German language, but all English or Russian language talks can be heard clearly.
one of the more important facts though got lost or forgotten somehow. even a one minute mentioning would have been enough. the -Road of Life- over the frozen Ladoga Lake were supplies were brought in during winter time when the lake was frozen

https://en.wikipedia.org/wiki/Road_of_Life