In the run-up to the release of The Beatles' eagerly anticipated last song tomorrow, a new short film, Now And Then - The Last Beatles Song, has been released.

The 12-minute short film tells the story of how 'Now And Then' was finally finished, almost five decades after it was originally written. Directed by Oliver Murray, the powerful film features exclusive footage and commentary from Paul McCartney, Ringo Starr, George Harrison, Sean Ono Lennon and Peter Jackson.

'Now And Then' is set to be officially released tomorrow, November 2, followed by a music video directed by Peter Jackson on Friday, November 3.

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"‘Now and Then's eventful journey to fruition took place over five decades and is the product of conversations and collaborations between the four Beatles that go on to this day," a statement from The Beatles' website reads. "The long mythologised John Lennon demo was first worked on in February 1995 by Paul, George and Ringo as part of The Beatles Anthology project but it remained unfinished, partly because of the impossible technological challenges involved in working with the vocal John had recorded on tape in the 1970s.

"For years it looked like the song could never be completed," the description continues. "But in 2022 there was a stroke of serendipity. A software system developed by Peter Jackson and his team, used throughout the production of the documentary series Get Back, finally opened the way for the uncoupling of John’s vocal from his piano part.

"The short-film tells the story of the original recording being brought back to life with contributions from all four Beatles – marking the completion of the last recording that John, Paul, George and Ringo will get to make together."

Watch Now And Then - The Last Beatles Song, directed by Oliver Murray, below: