Iron Maiden are a Grammy award-winning English heavy metal band from Leyton in east London that were formed in 1975 by bassist and primary songwriter Steve Harris. The band's discography has grown to include a total of thirty-seven albums: fifteen studio albums; eleven live albums; four EPs; and seven compilations.
Pioneers of the New Wave of British Heavy Metal, Iron Maiden achieved initial success during the early 1980s. After several line-up changes, the band went on to release a series of US and UK platinum and gold albums, including 1982's The Number of the Beast, 1983's Piece of Mind, 1984's Powerslave, 1985's live release Live After Death, 1986's Somewhere in Time and 1988's Seventh Son of a Seventh Son. Since the return of lead vocalist Bruce Dickinson and guitarist Adrian Smith in 1999, the band have undergone a resurgence in popularity, with their latest studio offering, The Final Frontier, peaking at No. 1 in 28 different countries and receiving widespread critical acclaim.