How heavy metal music can lighten an emotional load - CSMonitor.com
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The 100 Best Heavy Metal Workout Songs of All Time
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The 100 Greatest Heavy Metal Songs of All Time
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How Heavy Metal Tracks the Wealth of Nations - Bloomberg
Heavy metal music - Wikipedia
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Heavy Metal: Music of Power and Skill
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Heavy Metal Rules the World
:max_bytes(150000):strip_icc()/GettyImages-884702686-5c5e28f546e0fb00017dd191.jpg "History, Styles and Subgenres of Heavy Metal")
History, Styles and Subgenres of Heavy Metal
