The Main Riff

Play this part 4 times

G[---------------------]
D[---------------------]
A[----5-4--------------]
E[--------3?5---5-5----]
B[---------------------]


Then play this part twice

G[------------]
D[------------]
A[-------2----]
E[---2-3---3--]
B[------------]

Then play this part twice 

G[------------------------------------------------------------------]
D[--------------------------3-2-------------------------------------]
A[------5----2-3-2-----5-------------5-----2-3-2------------5-------]
E[--------5--------------5-------------5----------------3--5--------]
B[---3--------------3------------3-----------------3--3-------------]
 
                  Then repeat