You will find that this is very accurate. I figured it out myself and have even checked in certain tablature books, and they all agree with this.
------------| Just repeat this riff throughout most of
------------| the song. It`s a little hard to get the
------------| timing at first, but with practice you
------------| can get it easy.
---------4--|
-2-2-2-2--2-|
submitted by Will Thoburn