It is taken from a British “series” where a young man called Gareth Malone takes a group of people and turns them into a choir. This time, he has taken a group of military wives, whose husbands are all away in Afghanistan, and turned them into a choir. Gareth looks to be about 16 years old, but he is actually in his mid-30s. He is also a Choirmaster for the London Symphony Orchestra, among other things. The song is based on excerpts from letters written by the couples while apart, and this is the beautiful result.