Joel Mark’s performance photos of L.A.’s improvising musicians of the 1980s are a window on a powerful time in jazz that is now just out of reach. Chet Baker, John Carter, Bill Douglass, Tal Farlow, Billy Higgins, Harold Land, Warne Marsh and Horace Tapscott were all part of that landscape, so vivid in these images. – Kirk Silsbee

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