E |----------------------------------------------------|
B |----------------------------------------------------|
G |----------------------------------------------------|
D |----------------------------------------------------|
A |--------7L----7--7--4-----5-----------x--x--x--x----|
E |--0-------------------------------------------------|
     1     +        e  +     3           4  e  +  a

----------------------------------------------------||
----------------------------------------------------||
----------------------------------------------------||
----------------------------------------------------||
--------7-----7--7--4-----5-----4-----5-----5s-7----||
--0-------------------------------------------------||
  1     +     2  e  +     3     +     4     +  a


This is the main guitar riff for almost the entire song.
(There's a brief part with a A major and B major chords.)
 
Funk blues with 16th notes (1e+a 2e+a)

L - tied note
s - slide
x - dead note