Intro 
(fingerpicked,exept for last chord) 
                                                        "Ooh lala..."    
-2h3-(0)-3h2p0----3------2h3p2p0---------------------------------------- 
------------------3--------------------3h0------------------------------ 
--------------------------------------------0--------------------------- 
-2-------0---------------2-------------0----------4--------------------- 
------------------3-------------------------------2--------------------- 
------------------------------------------------------------------------ 
                                                                         
Riff 1 
(bass plays A during riff)                                        
-3-3---2---------------------------------------------------------------- 
-3-3---3--------------1h0----------------------------------------------- 
-2-2---2--------------------2--2---------------------------------------- 
------------------------------------4--5h4------------------------------ 
-------------0--0---------------------------5---2/3\2------------------- 
------------------------------------------------------------------------                                                          
 
Verses   "whos    at   the     door.         tell me whos that knockin         
-3----2-----------------------------------2----------------------------- 
-5-x--3--------------------------------5x-3----------------------------- 
-5-x--2--------------------------------5x-2----------------------------- 
-5----0---0---0---0-----------0-0-0-----------0-0-0------0-0-0-------0-- 
-----------------------3(1/2)------------------------------------------- 
------------------------------------------------------------------------                                                          
 
         your dead for sure                                               
3-2-2-2------------------------3-2-2------------------------------------ 
5-3-3-3------------------------3-3-3------------------------------------ 
5-2-2-2------------------------2-2-2------------------------------------ 
----------0---0---0----0---0-------------------------------------------- 
------------------------------------------------------------------------ 
------------------------------------------2-2h3--3/5-------------------- 
                                                                         
"so dry your eyes                  my little friend    
--------------------------------------3------3-------------------------- 
--------------------------------------5------2-------------------------- 
-----5--------------------------------5---x--3-------------------------- 
-----5---x---7------------------------5---x----------------------------- 
-----3-------5-------5--5--5--5--5-------------------------------------- 
--------------------------------------------------2222-3333-3/5-5------- 
                                                                         
 One thousand times                      come back againnnn..      
------------------------------------------------------------------------ 
-----5--------3--------------------------------------------------------- 
-----4--4-----4-------------------------------4------5------------------ 
-----4--------4-------------------------------4------5----------------4- 
---------------------2-2-2-2-2--2-2-2--2---0--2--x---3-----3/5--3-2-3-2- 
------------------------------------------------------------------------ 

and now that funky fast riff that sounds like that whitesnake song. 
 
                                                                trem. 
                                                                dive 
------------------------------------------------------------------------ 
--------------------------------------x\-------------------------------- 
--------------------------------------x\-------------------------------- 
--------2~~-----------2----x/---------x\-------------2~---5h0----------- 
---------------------------x/-----------------------------------5--\---- 
-x--0-0-------x--0-0-------x/-----------------0-0-0--------------------- 
                            *hit strings w/right 
                            hand,move left hand 
                            up                                                           
 
and thats it!