this is how i hear it
its simple, theres only two parts.
G-----------------------------------
D-----------------------------------
A-----------------------------------
E---22025^0-22025^0-22025^0-22025^0-
im not sure how many times it does that, 
play along with the song to get a good feel for it

G------------------------------------------------------
D-----------------------------------2------------------
A--55500-00-33302-22055500-00-333022-055500-0033302-220
E------------------------------------------------------
thats pretty much the whole song with the exception of
a couple of slides being thrown in here and there.