Silent Night A Song for the World is a musical documentary about the creation and impact of the worlds most famous Christmas carol, composed in 1818 in Salzburg. Translated into 140 languages, Silent Night caused a Christmas ceasefire in World War I, while Bing Crosbys version is the third best-selling single ever. Narrated by Hugh Bonneville the film tells the story of Silent Night featuring global stars including Kelly Clarkson, Joss Stone, The Vienna Boys Choir, Josh Groban, Shelea and The Tenors