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Photographer Don Hunstein's behind-the-music shots

24 October 2013 Last updated at 01:56 BST

In today's celebrity-obsessed world, most images of stars tend to be contrived, taken in controlled environments. The paparazzi would love the access Don Hunstein enjoyed for decades.

From 1955-86 he worked as Columbia Records' in-house photographer, capturing countless moments of musicians in private and with their guard down.

Keeping Time is a trove of mostly unseen and intimate black and white images of jazz, rock, soul, and classical greats who recorded on the Columbia label.

Jon Pareles, the chief popular-music critic for the New York Times, contributed to the book. He spoke to the BBC about Hunstein's keen eye for a shot and ability to put his famous subjects at ease.

Produced and edited by the BBC's Bill McKenna

Picture This is a series of video features published every Thursday on the BBC News website which illustrate interviews with authors about their new books.