Ventilator Blues

It can be played in standard tuning or 5-string open (G): 
 
e|----------------------| 
(B)|----------------------| 
(G)|-----0-0-X-3-X--0---0-| 
(D)|-----0-0-X-3-X--0-3-0-| 
(A)|---1------------------| 
(E)|-3--------------------| 
 
d|----------------------| 
(B)|----------------------| 
(G)|-----0-0-X-3-X--0---0-| 
(D)|-----0-0-X-3-X--0-3-0-| 
(G)|-0-3------------------| 
(D)|----------------------|