A couple of days ago, while being bored, I found this video of "Tabuu's New Battle Theme." (for anyone who doesn't know, Tabuu is the final boss of the Subspace Emissary in Super Smash Bros. Brawl) Here it is:
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Since it doesn't sound like Tabuu's original theme, I'm guessing it's actually an unrelated song that the video uploader just thought would be fitting for the Tabuu fight. Does anyone recognize this song? Because I kinda want it now.