Kammala jumla mai zuwa: A ranar 17 ga Afrilu, 2021, Allan yana ɗaya daga cikin mawaƙa huɗu (ɗaya daga cikinsu su uku ne Clerks na St George's Chapel Choir) a lokacin
jana'izar Yarima Philip, Duke na Edinburgh, a cikin St George's Chapel, Windsor Castle.