 The genesis of Armageddon began with this final Steamhammer album, with production assistance by ex-Yardbird and Renaissance frontman, Keith Relf (who also contributed background vocals here – along with his sister, Jane Relf).Bradley died of undiagnosed leukemia on 8 February 1972, aged 25.A memorial concert took place at London's Marquee Club on 14 March that year, with appearances by fellow bands Atomic Rooster, Beggars Opera, If, and Gringo.