What Is Metallica's Signature Song?

Say your prayers, little ones -- we're back with another signature song analysis. This time around we turn our attention to one of the most influential bands in the history of loud music, the mighty METALLICA!

We take a look at their storied career and try to figure out the answer to the question: "what is Metallica's signature song?"

Does "signature song" just mean biggest hit?

Does it mean a crossover hit?

Does it mean the song that defines their sound?

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