Title: Variations on a theme of Purcell
Description: Royal Opera House, Covent Garden, house manager: Neville Coppel, box office manager: Derek Wilson, the Royal Opera House, Covent Garden, limited, general administrator: David L. Webster, deputy general administrator: Sir Steuart Wilson, present "The Sadler's Wells Ballet," director: Ninette de Valois, associate director: Frederick Ashton, musical director and conductor: Robert Irving, guest conductors: Sir Arthur Bliss, Sir Adrian Boult, Anatole Fistoulari, guest artist Pamela May with the Covent Garden Orchestra, leader: Charles Taylor, the 10th performance at the Royal Opera House by the Sadler's Wells Ballet of "Variations on a Theme of Purcell," music by Benjamin Britten, choreography by Frederick Ashton, scenery and costumes by Peter Snow, lighting by John Sullivan, conductor: Robert Irving.