The ’80s were marked by dizzying highs and catastrophic lows for ex-members of the Beatles. The horrifying first year of the decade saw John Lennon score his first U.K. No. 1 album in almost 10 years ...

Even casual fans are familiar with the Beatles' album-opening songs. Three of them went to No. 1, either in the U.K. or America, including 1964's "A Hard Day's Night," 1965's "Help!" and 1969's "Come ...