“This is a collection of amazing people. Paul introduced me to Muscle Shoals, which I’d known about but had never been there. Eventually, it became a stop for me on a couple of albums – Julian Lennon, Aretha Franklin. People just loved the town and the players.

“Paul would come back with tracks, and I would overdub stuff. There’s some wonderful songs on the album. Paul was very driven. I think the separation of Simon & Garfunkel had become a challenge. People thought the two of them wrote the songs, but as we all know, Paul was the writer.

“He’s very mysterious and meticulous. Nothing goes quickly with Paul. Like it is with a few artists, you might only get four bars of music in an afternoon, but they’re four great bars.”