The intro to this song is quite simple. I love it! 
 
Tune down 1/2 step 
 
Riff 1 x 3 
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G--19-19-18	-11-11-11-11-9-11-11-14-14-14-14-14--- 
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G--19-19-18	-11-11-11-11-6-6-6-6-6-7-7/-- 
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Riff 2 x 2 
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G--19-19-18	-11-11-11-11-9-11-11-14-14-14-14-14---- 
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A---------------------------------------------------- 
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E------------------------------------------ 
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G--19-19-18	-11-11-11-11-6-6-6-7-7-9-9/-- 
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