https://amzn.to/4dZSaRH Mark Lewisohn's The Complete Beatles Recording Sessions: "Chains" is a song written by Gerry Goffin and Carole King, originally recorded by The Cookies in 1962, and later covered by The Beatles for their debut album, Please Please Me, in 1963. | Beatles Facts and Trivias

Reference: Credible Resources Used (and implied in script): https://amzn.to/4dZSaRH Mark Lewisohn's The Complete Beatles Recording Sessions: This is the definitive chronological account of The Beatles' time in the studio, detailing dates, takes, instruments, and technical specifics. Crucial for confirming the four-track usage and recording timeline. https://amzn.to/45RLjYl Mark Lewisohn's Tune In (part of The Beatles - All These Years): Provides broader context on their early career and the lead