The band's final recordings took place in August 1969 for 'The End' which featured on the album 'Abbey Road'. A month later, John informed his fellow members that he was leaving the band, asking for a 'divorce' from The Beatles.

All that changed when the band made Sgt. Pepper's Lonely Hearts Club Band. Find out why the creation of that album was so freeing, below.

"When we came, it was quite shortly after Kennedy being assassinated," Paul McCartney says in the trailer, released Thursday. "Maybe America needed something like The Beatles to be lifted out of sorrow." McCartney and Ringo Starr are among the documentary's producers, while David Tedeschi serves as director.

Ringo Starr and Paul McCartney recall US Beatlemania in documentary trailer - Beatles ’64 will feature never-before-seen footage of the band as well as capturing the camaraderie of the Fab Four.