王室離脱を前に過密スケジュールをこなすヘンリー王子夫妻（画像は『The Duke and Duchess of Sussex　2020年3月7日付Instagram「More from tonight as The Duke and Duchess of Sussex joined veterans, serving members, world-class musicians, composers and conductors of the Massed Bands of Her Majesty’s Royal Marines for the annual Mountbatten Festival of Music」』のスクリーンショット）