The Chelsea Pensioner Singers have been performing together since 2014, initially simply for enjoyment and wellbeing within the Royal Hospital.
In 2017, they were invited to sing at Christmas events in and around Chelsea, and in subsequent years at many other venues across London.
Missed any of the free talks, conversations and debates we've been streaming over recent months? You can watch them online at any time.
Soldiers throughout the First World War found ways to maintain morale and mark the festive season while separated from their loved ones.
Discover the story of the Princess Mary Gift Tin in this family-friendly, festive First World War activity.