I approach Sony’s London HQ with an air of trepidation ahead of my meeting with The Chainsmokers. The pair have built up something of a reputation for their hard partying antics and all round laddish shennanigans since bursting on to the scene a couple of years ago.

Labelled by some as college-style ‘frat bros’, they landed themselves in hot water earlier this year over comments made in an interview with a US publication that some had deemed sexist, resulting in ...