Artist management contracts have been known to contain some idiosyncratic clauses over the years, but the one buried deep inside Stuart Camp and Ed Sheeran’s contract at the artist’s behest is surely one of the most unusual.

“He’s inserted a clause that says I will be with him at all times, looking like I’m enjoying myself,” Camp laughs. “It gives the lawyers sleepless nights, like, Surely we could be in breach if there are pictures where I look grumpy? But ...