Seun Kuti is pacing around a London flat as he chats on a video call, taking his laptop with him as he looks for a lighter for something he rolled to smoke. He’s just arrived for a few days of recording, but he’s a bit animated and, perhaps, agitated after a frustrating experience with immigration upon his landing.

“I know a country that respects human rights by the amount of people that have working at immigration at the airport,” ...