New York City Ballet, New York City Ballet Orchestra, principal conductor: Robert Irving, associate conductor: Hugo Fiorato, assistant to Mr. Balanchine: John Taras, ballet mistress: Janet Reed, II. or IV. "Raymonda Variations," music by Alexander Glazounov (from "Raymonda") (through the courtesy of The Tschaikowsky Foundation), choreography by George Balanchine, costumes designed and executed by Karinska, scenery designed by Horace Armistead, lighting by David Hays, conductor: Hugo Fiorato (Sunday afternoon), Robert Irving (Sunday evening).