Ok now contrary to the popular belief this song is not in drop-D tuning it is in  
standard tuning. 
 
e|----------------------------------------------|x3        
b|----------------------------------------------| 
g|----------------------------------------------|  
d|----------11---12---11-----------------9------| 
a|----9-9-9----9---9-----9-12-9-11---7-7---9----|  
e|---------------------------------7------------| 
 4th time you play something different but i havent figgured that out yet