Sophie, Duchess of Edinburgh attends a performance of 'Orb and Scepter', The Household Division's Beating Retreat Military Musical Spectacular, at Horse Guards Parade on July 5, 2023 in London, England. Beating Retreat originated as a military drum call that can be traced back to the 16th Century, which has now evolved into a musical ceremonial event, comprising of a display of military music, horsemanship, precision drill, pageantry and fireworks.