Given the success of Once – which won an Academy Award and has since been turned into a triumphant stage production, for filmmaker John Carney to return to the musical drama genre was always something of a risk, but he’s surpassed expectations with Begin Again, in what is arguably a more accomplished offering than his previous Oscar winner.

We had the pleasure of sitting down with the filmmakers to discuss his latest project, and how vital it was for him and the film that the music was of a particularly high standard. He also tells us about the decision to cast Keira Knightley in a different sort of role to which we’re used to, and whether it was true that Scarlett Johansson was once a possibility to take it on…

Begin Again is out in cinemas now.