The LongHouse Reserve’s winter benefit, to be held on Feb. 14 at the Museum of Arts and Design in Manhattan, will feature a performance of “Ballads and Stories” by Bill T. Jones and Dancers. The Valentine’s Day event will begin with a reception at 6 p.m., followed by the performance at 7 and dinner at 8:30 at Adelaide de Menil’s duplex in the Gainsborough Studios building on Central Park South.