Jack Black Sings A Break-Up Song : Wait Wait ... Don't Tell Me! Jack Black sings a sample of one of his first songs for Tenacious D.
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What If Tenacious D Sang Break Up Songs?

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This weekend we're joined by rock duo Kyle Gass and Jack Black of Tenacious D. Here's Jack's version of what the band would sound like if they sang break-up ballads and not parody satanist heavy metal rock:

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