As I've seen Mosfilm movies on YouTube being mentioned several times, I'll share my recommendation. All of them should have English subtitles.
White Sun of the Desert
Wiki entry https://en.wikipedia.org/wiki/White_Sun_of_the_Desert
Lyrics is by Bulat Okudzhava https://en.wikipedia.org/wiki/Bulat_Okudzhava
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!