Title: Swan lake
Description: The National Park Service, Carter Barron Amphitheatre, 16th Street and Colorado Ave., N.W., in Rock Creek Park, Washington, D.C., 6 performances only, "American Ballet Theatre," Ballet Theatre Foundation presents Lucia Chase and Oliver Smith, directors, musical director Kenneth Schermerhorn, principal conductor Jaime Leon, regisseur Dimitri Romanoff, assistant to the directors John Kriza, ballet master, Enrique Martinez, Charles Payne, general administrator. "Swan Lake," ballet in four acts, music by Peter Ilich Tchaikovsky, choreography by Marius Petipa and Lev Ivanov, staged and directed by David Blair, costumes by Freedy Wittop, lighting by Jean Rosenthal, conductor: Kenneth Schermerhorn [Wednesday]. Conductor: Jaime Leon [Sunday].