Oklahoma, March 30: Part of music icon Bob Dylan's once-secret 6,000-piece archive, including thousands of hours of studio sessions, film reels and caches of unpublished lyrics, has opened in Oklahoma.

More than 1,000 pieces of the collection spanning Dylan's six-decade career are available to scholars at the Gilcrease Museum's Helmerich Center for American Research in Tulsa.

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The opening comes a year after the George Kaiser Family Foundation and the University of Tulsa acquired the collection for an estimated $15 million to $20 million.

The public will get a glimpse of some of the material when the Bob Dylan Center opens in downtown Tulsa's Brady Arts District in about two years.

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The center will occupy the opposite side of a building that houses a center devoted to Woody Guthrie, one of Dylan's major influences. (VOA)