There was good news for fans of Justin Timberlake today, with the news that J-Timb has collaborated with Mumford & Sons frontman Marcus Mumford for a song on the soundtrack to the upcoming Coen Brothers movie.

Speaking to Capital FM, Timberlake revealed that the song will appear on the soundtrack for the film 'Inside Llewyn Davis', which stars Oscar Isaac and Mumford's wife Carey Mulligan.

"There's a Coen brothers film coming out soon that I was lucky enough to work with Oscar Isaac and Carey Mulligan", Timberlake said. "And coincidentally I did work with Marcus Mumford on the soundtrack, so I became very good friends with them

"Marcus and myself, we all kind of worked on the music together and I don't know any other world where we would have the opportunity to collaborate like that but it was so much fun.

"So not only will that be a great movie, but the music to it will be fantastic".