On this day in 1970, John Lennon wrote, recorded and mixed the song “Instant Karma.” It ranks as one of the fastest-released songs in pop music history, arriving in stores just ten days after Lennon laid the track down at Abbey Road Studios. The recording was produced by Phil Spector, marking a comeback for the American producer after his self-imposed retirement in 1966, and leading to him being offered the producer's role on the Beatles' Let It Be album.
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