Friday’s Art Notes

Now in its fifth decade, the Glastonbury festival in Somerset, England, has grown from a humble gathering of 1,500 people on Michael Eavis’ Worthy dairy farm in 1970 to a giant five-day celebration of music. Photo by Adrian Dennis/AFP/Getty Images.

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“Harry Potter” series author J.K. Rowling announced Thursday that a new interactive website, Pottermore.com, will be the exclusive seller of the e-book editions. It’s an unwelcome surprise for the traditional stores that helped sell hundreds of millions of Potter novels, via the Associated Press.

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Andy Warhol’s missing $30 million portrait of Farrah Fawcett was discovered on actor Ryan O’Neal’s wall on his reality show, via Artinfo.

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The Van Gogh Museum in Amsterdam is closing for six months for renovations starting next year. Seventy-five of the Dutch impressionist’s works will move to the Hermitage Amsterdam museum during the work, scheduled to last from October 2012 through March 2013, via the AP.

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Galleries at the Smithsonian’s Cooper-Hewitt, National Design Museum in New York City will close July 4 for a two-year renovation and expansion, via the New York Times.

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Philadelphia’s Barnes Foundation begins its controversial relocation July 3 to a new building down the street from the Philadelphia Museum of Art, via the Wall Street Journal.