to play this song you must tune to open g...DGDGBD...                                                                     

D---5------5-555--4------4-444---------------------------/---------------
B----3-----3-333---3-----3-333-----6-6-4-3--4------------/------------3--
G-----4----4-444----0----0-000-----0-0-0-0--3------2--44-/-4-2-5-4----2-- 2x
D------5---5-555-----4---4-444-----5-5-5-5--1------0--00-/-0-0-0-0-2--1--
G-------0--0-000------0--0-000---0-0-0-0-0--0--0-0-0--00-/-0-0-0-0-0--0--
D--------------------------------------------------------/---------------

This is only the begining...as you can see...from the /'s on you repeat 2x
I just figured this out today..and i am working on the rest..i will hopefull have more of this song tabbed by next week..untill then enjoy the begining of the rain song.