Iron Maiden were formed on Christmas Day, 25 December 1975, by bassist Steve Harris shortly after he left his previous group, Smiler. Harris attributed the band's name to a film adaptation of The Man in the Iron Mask from the novel by Alexandre Dumas, the title of which reminded him of the iron maiden torture device...
Diamond Head are an English heavy metal band formed in 1976 in Stourbridge, West Midlands. The band was part of the new wave of British heavy metal movement.