The Beatles - your mother should know, 1967

"Paul McCartney began writing "Your Mother Should Know" on a harmonium at his house in St John's Wood, London, in the company of his Aunty Jin and Uncle Harry, and drew on his father's love of music hall. The conversation he had with his family members that day inspired the subject matter of the song. Its lyrical premise centres on the history of hit songs across generations. McCartney took the title from a line in the 1961 film A Taste of Honey, which tells of a white teenage girl who falls pregnant with a black man's child and withholds news of the pregnancy from her domineering mother."