The Beatles‘ “Don’t Let Me Down” is one of the Fab Four’s most famous later songs. Paul McCartney said the song was John Lennon’s “genuine cry for help” to someone he loved. Notably, the song performed differently in the United States and the United Kingdom.In the 1997 book Paul McCartney: Many Years From Now, Paul discussed the origin of “Don’t Let Me Down.” “It was a very tense period: John was with Yoko and had escalated to heroin and all the accompanying paranoias and he was putting himself out on a limb,” Paul recalled. “I think that as much as it excited and amused him, at the same time it secretly terrified him.”
Source: cheatsheet.com