The beginnings of The Beatles’ breakup go back much earlier. In 1966, the band stopped touring, which meant they saw each other less and started doing more solo activities.

The “Get Back” sessions in January 1969, first planned for a TV performance, ended up showing the growing divisions among the members. The new documentary “Get Back” by Peter Jackson gives a detailed look at these internal struggles.

In 1968, Ringo Starr was the first member to feel unhappy during the “White Album”…