The Passing Bells the conclusion of the war. The series was announced by the BBC in October 2013, along with other programmes that played a part in the BBC World War I centenary season. It was a Red Planet Production with BBC Worldwide as the distributor. Filming took place in Poland. Telewizja Polska and Apple Film Production were co-producers. The series aired in the pre-watershed time-slot of 7pm, and the script was written for a younger audience and family viewing. The title was taken from the first line of Wilfred Owen's 1917 poem, "Anthem for Doomed Youth": "What passing-bells for these who die
The Bells (poem) Last Poem". Inspiration for the poem is often granted to Marie Louise Shew, a woman who had helped care for Poe's wife Virginia as she lay dying. One day, as Shew was visiting Poe at his cottage in Fordham, New York, Poe needed to write a poem but had no inspiration. Shew allegedly heard ringing bells from afar and playfully suggested to start there, possibly even writing the first line of each stanza. Sergei Rachmaninoff (1873–1943) composed a choral symphony "The Bells", Op. 35, based on a Russian adaptation of the poem by Konstantin Balmont. The symphony follows classical sonata