"Yoko actually helped a lot with the lyrics, but I wasn't man enough to let her have credit for it," Lennon confessed to reporter David Sheff during a series of interviews for Playboy magazine published just two days before Lennon was shot dead on December 8, 1980. In early 1971, Lennon finished the lyrics (and Ono's input was officially credited in 2017) and in June that year, he recorded takes at the purpose-built studio at his Tittenhurst Park mansion home — sound engineer Eddie Veale, who helped construct the studio, called it "the first professional home studio in the...