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Pretty much pure rockin ' metal with no frills " - ( Revelation Z ) " An emotional experience , this album is the total opposite of Lionsheart ’s earlier , lighter efforts , this album is heavier , more aggressive , much more diverse , and infinitely more thought provoking , whatever the reason Steve Grimmet had for disappearing , I ’m just glad he ’s back , and with a kick-ass metal album to boot . "
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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