Amid more than 100 paintings and sculptures up for sale at an auction in Copenhagen, Denmark, there lies an unlikely item of pop memorabilia: a long-lost tape containing an unreleased John Lennon song.
The white cassette tape sold for 370,000 kroner ($58,240) at Tuesday's sale. It also features interviews with the Beatles singer and his wife Yoko Ono and is accompanied by a series of photographs dating back to 1970.
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