Prince & The Revolution's Purple Rain. Amazon.co.uk hide caption

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Top row, left to right: Laura Marling, Lorde, Mike Milosh of Rhye; middle row: Ty Segall, James Blake, Valerie June; bottom row: Khaela Maricich and Melissa Dyne of The Blow, Earl Sweatshirt, Lou Reed. Courtesy of the artists hide caption

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Lou Reed. Jean Baptiste Mondino/Courtesy of the artist hide caption

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