All four Beatles were born and raised in Liverpool and its suburbs. The kernel of the band was Lennon's mid-1950s band, the Quarry Men , which played skiffle: lively versions of folk and blues standards performed on guitars and various homemade instruments. McCartney was introduced to Lennon at a Quarry Men show in summer 1957, and joined soon after. He later brought Harrison into the band.
By the end of 1957, Lennon and McCartney were writing songs. Though they decided early...