National Theatre, 1321 E Street Realty Corporation, lessee, Louis A. Lotito, managing director, Ballet Theatre Foundation, Blevins Davis, president presents "Ballet Theatre," Lucia Chase and Oliver Smith, directors, Alicia Alonso, Igor Youskevitch, John Kriza, Mary Ellen Moylan, Gemze de Lappe, Paula Lloyd, Ruth Ann Koesun, Eric Braun, Lillian Lanese, Michael Lland, Anna Cheselka, Jenny Workman, Kelly Brown, Dorothy Scott, Liane Plane, conductor Joseph Levine, regisseur Dimitri Romanoff, assistant conductor Otto Frohn, ballet master Edward Caton. "The Harvest According," ballet by Agnes de Mille, music by Virgil Thomson, scenery and costumes by Lemuel Ayers, lighting by Peggy Clark, conductor: Joseph Levine.