Mysterious Passion (2016)

The characters have fictitious names, but they can easily be guessed by real people whom everyone knows perfectly well: Robert Rozhdestvensky, Yevgeny Yevtushenko, Andrei Voznesensky, Bulat Okudzhava, Bella Akhmadulina, Vladimir Vysotsky, Ernst Neizvestny, Vasily Aksenov himself and others.