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Neuroscientist explains why Harry Mack’s freestyle brain is different

Jennifer Sandlin
Apr 20, 2026
∙ Paid

Nur Alam Graphics/shutterstock.com

Freestyle rapper, producer, and drummer Harry Mack is still going strong, and millions of viewers continue to be utterly amazed at his mind-blowing talent. If you don’t already know him, he’s the guy who solicits random words from audience members and creates some of the best spontaneous rap lyrics of all time. His geni…

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