on the 3 and 4 and 5 string play this
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------5-----5----------------------------------------------|
-3-333-3-333------6-5---5----------------------------------|
-------------4-444---6-6-----------------------------------|
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i dont know the rest and i was to lazy to put in the lyrics but you know how it goes.
you gotta play this part like five or six times depending on the version you have.
mine is weird cause it starts like three seconds in to the song so yeah.
[ Tab from: http://www.guitaretab.com/k/krum-bums/244451.html ]