Not sure on the Maiden issue. I really like the first two albums. Like Nuge wrote, a lot of underrated material. But DiAnno sucked, when it came to live performances. I have heard a lot of bootleg recordings and I've seen him live with his own band (Battlezone?). Not good.
'Number of the Beast' and 'Live after Death' are two of my all-time favorites, but I can't say I'm too impressed by the other albums on which Dickinson sings. He does have an awesome voice, though.
The first LP I bought was Michael Jackson's 'Thriller'. The first CD was 'Fireball' by Deep Purple. Never bought any cassettes.
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The only thing you got that I want, is your suffering.