John Lennon 's "real" final words are set to be examined in filmmaker Steven Soderbergh's new documentary, built around the lengthy interview the tragic Beatles icon and his wife, Yoko Ono , gave on the afternoon before the singer was shot dead outside the Dakota building in New York.

RadarOnline.com can reveal the yet-untitled film focuses on the couple's RKO Radio conversation on 8 December 1980, recorded just hours before Lennon was gunned down by Mark David Chapman . Article continues below advertisement

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The interview was part of a press push for Double Fantasy , Lennon's first album in five years at

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