Matthew Sweet looks at music for films set against the background of WW1, including Joseph Kosma's music for Jean Renoir's masterpiece La Grande Illusion. The First World War prompted a cinematic response even before the War was over and has continued to exercise the film maker's imagination ever since. From Charles Chaplin's Shoulder Arms in 1918 to Steven Spielberg's recent War Horse, stories and commentaries are varied and include some of the great moments in film and film-music.