Interesting song from about 6:00 min..---"I saw him in a cafe in Berlin...."

https://youtu.be/87WPy8zRXCs

( Unlike the later 'Cabaret' (1972), it has almost no queer content..Being said, Isherwood is a hi-profile queer writer)

Another movie on his later work is : 'A single man' (2009)