‘I said something wrong’: Paul McCartney reveals origin of Yesterday lyric

Beatles singer says the line harks back to time he ‘embarrassed’ his mother for ‘talking posh’

Paul McCartney has revealed the inspiration behind the lyric “I said something wrong” in the Beatles hit song Yesterday.

McCartney said the line may have been subconsciously inspired by a moment when he mocked his mother for sounding “posh”.