Brian Eno’s studio in Notting Hill is tucked away at the end of a cobbled mews, its facade a quarter of the normal size. The effect is like a kind of fairy-door, and as you enter, it opens on to a vast light-filled room with a spiral staircase at the centre.

Eno is the world’s first generative feature film. “I tell people, ‘The film is different every time,’” explains director Gary Hustwit (Helvetica, Rams). “And they always say, ‘What do you mean? I don’t understand!’ So the best way to ...