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‘I was spotty, wore an anorak, had biro-engraved flared blue jeans with “purple” and “Sabbath” written on the thighs, and rode an ear-splittingly uncool moped. Oh yes, and I wanted to be a drummer…’Bruce Dickinson – Iron Maiden’s legendary front man – is one of the world’s most iconic singers and songwriters. But there are many strings to Bruce’s bow, of which larger-than-life lead vocalist is jus...