Photographers East at Ashawagh, new group at Tulla Booth, "Witness" in Sag Harbor, and much more

The Hamptons Doc Fest is celebrating spring with documentaries about farming, jazz, and journalists, each of which will be followed by a discussion.

One of the most reliable harbingers of spring and the high season on the South Fork is the opening of the 16-acre LongHouse Reserve in East Hampton every April in the heart of daffodil and tulip season.

Mark Rothko has been in the news lately, with significant sales of his artwork coming up next month and the release last month of a short film about his enduring tribute to a fellow artist.

The Halsey McKay Gallery’s exhibitions in East Hampton this month offer two renditions of America and American themes that on the surface appear to diverge, but stand as bookends to the disquieting reality of daily experience.

Guild Hall’s new public database of its permanent collection has been greeted by some with surprise. It is not the multiyear project that culminated in its going live in February that raises eyebrows so much, rather it is the notion that the museum has a collection at all.

The Hedges-Edwards Barn, dating from around 1770, was originally located on the west side of Main Street in East Hampton, where the library now stands. E.J. Edwards first moved it around 1910 to his nearby property on Edwards Lane.

“Man of La Mancha,” the classic 1965 musical, will open at the Quogue Community Hall today and run through April 7. The production is the first fully staged musical in the 34-year history of the Hampton Theatre Company.

The photographs of Renate Aller and Jean-Luc Mylayne reflect an obsessive focus on the poetry and mystery of the natural world. On Sunday, the Parrish Art Museum in Water Mill will open solo exhibitions of each artist’s work that complement each other while at the same time highlighting the differences between their approaches to their subject matter.

This is a story about the spiritual inhabitants of places where you might expect them — the Rogers Mansion and the Thomas Halsey Homestead, which are part of the Southampton History Museum — and a place you would not: the East Hampton Library.