Despite the heavy subject matter, Paul Mescal and Josh O'Connor developed a 'very light and boyish' atmosphere on the set of 'The History of Sound,' with the Oscar nominee revealing the two costars ate 'eight Jolly Ranchers a day.

That’s a question confronted by Oliver Hermanus ’s new film The History of Sound, which premiered here in Cannes on May 21. The film, based on a short story by Ben Shattuck, is about two young men who first meet in 1917,

In this period drama, premiering at Cannes, two of Hollywood's buzziest male actors play lovers making music together – but the film could do with far more passion and urgency.