"Oh, What a Lovely War!" is a satirical musical that explores the absurdities of World War I. Created by the British theatre group The Theatre Workshop in 1963, it uses songs, sketches, and visual elements to depict the experiences of soldiers and civilians during the war. The production highlights the contrast between the romanticized view of war and the harsh realities faced by those involved. The musical features a variety of well-known songs from the era, reinterpreted to convey a critical message about the futility of war. It emphasizes themes of nationalism, propaganda, and the impact of conflict on society, making it a poignant commentary on the human cost of warfare.