After a decade together, The Beatles infamously split in 1970, and the Fab Four set off on their solo careers.

Yet just a year later, John Lennon was attempting to persuade Eric Clapton to form a new band.

This is the subject of an eight-page handwritten letter by the late Beatle to the guitar legend dated September 29, 1971.

The personal piece of history is now up for auction. In it, “Lennon expresses his desire to bring back the vibrant sound of rock ‘n’ roll and outlines his vision…