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

E|----------------------------------------------------| |
B|----------------------------------------------------| |
G|----------------------------------------------------| |
D|----------------------------------------------------| |
A|--------7-----7--7--4-----5-----4-----5-----5s-7----| |
E|--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