httpv://www.youtube.com/watch?v=FDhQ56OwDLY
"Gimme Some Truth: The Making of John Lennon's Imagine Album" (May 21, 1971 @ :42)

(Friday, May 21, 1971) — Ex-Beatle John Lennon hosts former Beatle George Harrison at his home, Tittenhurst Park, near Ascot, England, during sessions for what would become Lennon’s Imagine album.