This Day in History: John Lennon’s 'Imagine' Is Released .
October 11, 1971.
"Imagine" was recorded by Lennon with producer Phil Spector in a single session at his country estate, Tittenhurst Park.
While Lennon constructed the song, "Imagine" was heavily influenced by Yoko Ono's book of poetry, 'Grapefruit.'
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Ono was recognized as co-writer of the song in 2017.
The song's radical vision of idealism and peace immediately struck a chord with a world disillusioned with war.
Released just over a year after the break-up of the Beatles, "Imagine" became a massive success, easily the most successful song of Lennon's solo career.
It is widely considered one of the most influential songs of the 20th century