Nearly 50 years after John Lennon and Yoko Ono recorded “Give Peace A Chance” at their Bed-In for Peace at the Queen Elizabeth Hotel in Montreal on May 31, 1969, a new demo has arrived showing a glimpse of how that legendary moment came to be. Released and restored by the John Lennon Estate, the unearthed video shows the artists side-by-side in another bed, at the Sheraton Oceanus Hotel in the Bahamas, just days before the real thing, on May 25th 1969. It’s a playfully unvarnished version of the Lennons test-driving the anti-war anthem. Here, they genuinely seem at peace. Lennon mumbles unintelligibly (“Everybody’s talking about revolution, masturbation, hasturbation, constipation … uh … rasturbation, cake, chocolate cake … uh… fake, cake, glasses, passes”) while Ono shoots him looks as if...