National Theatre, Louis A. Lotito, managing director, the American University Concerts, Patrick Hayes, managing director "RWB: The Royal Winnipeg Ballet of Canada," under the distinguished patronage of his excellency, the right honourable Vincent Massey, C.H., Governor General of Canada, Gweneth Lloyd, artistic director, Betty Farrally, producer-ballet mistress, Henry Guettel, general manager, guest artists Alicia Markova and Roman Jasinski (will dance Feb. 10, 12 and 13 eves.), musical director: Eric Wild, pianists: Henrietta Pelta and Richard Ellis, tour stage director: David Yeddeau, wardrobe mistress: Constance Officer, "Casse Noisette (Pas de Deux)," Tchaikowsky, choreography: Petipa, Ivanov, costumes Clarice Hardisty and Joseph Chrabas.