The Unforgettable Fire is the fourth studio album by Irish rock band U2. It was released in October 1984. The band wanted a different musical direction following the harder-hitting rock of their 1983 album War. They employed Brian Eno and Daniel Lanois to produce and assist them experiment with a more ambient and abstract sound. The resulting change in direction was at the time the band's most dramatic.
Recording began in May 1984 at Slane Castle, where the band lived, wrote, and recorded to find new inspiration. The album was completed in August 1984 at Windmill Lane Studios. It features atmospheric sounds and lyrics that lead vocalist Bono describes as "sketches". Two songs feature lyrical tributes to Martin Luther King Jr. The Unforgettable Fire received generally favourable reviews from critics and produced the band's biggest hit at the time, "Pride (In the Name of Love)", as well as the live favourite "Bad", a song about heroin addiction. A 25th Anniversary edition of the album was released in October 2009.
The title is a reference to "The Unforgettable Fire"—an art exhibit about the atomic bombing of Hiroshima. The band saw the exhibit in November 1983 in Japan while on the