Written by bassist and founding member Steve Harris, the song is based on the Charge of the Light Brigade at the Battle of Balaclava 1854, which took place during the Crimean War, and inspired by Lord Tennyson's 1854 poem of the same name. The track has been the subject of much praise since its release, with AllMusic describing it as "an all-time genre classic that boasts guitarists Dave Murray and Adrian Smith's most memorable harmonized lead riff.
