Riff 1                       x3                              x1
E|------------------------------|-------------------------------|
B|------------------------------|-------------------------------|
G|------------------------------|-------------------------------|
D|------------------------6-----|-------------------------------|
A|------------------------4--5--|-------------------------------|
E|--0-0-0-0-0--3-3-3-3-3--4--3--|--0-0-0-0-0--1-1-1-1-1--1-1-1--|
   . . . . .  . . . . .           . . . . .  . . . . .  . . .

Riff 2
E|-----------------------------------------------------|
B|-----------------------------------------------------|
G|-----------------------------------------------------|
D|-----------------------------------------------------|
A|----------2x---------------------2---------3----3----|
E|--0-0-0-0-0x-------------0-0-0-0-0----0-0--1----1----|
|  . . . .                . . . .      . .            |
|                                                     |
E|-----------------------------------------------------|
B|-----------------------------------------------------|
G|-----------------------------------------------------|
D|-------------------------------------------3----3----|
A|----------2x---------------------2---------1----1----|
E|--0-0-0-0-0x-------------0-0-0-0-0----0-0--1----1----|
   . . . .                . . . .      . .

Riff 3
E|-------------------------------------------|
B|-------------------------------------------|
G|-------------------------------------------|
D|-------------------------------------------|
A|-------------------------------------------|
E|--0-0-0-0-0-0-4-4-3-3-3-3-1-1-1-1-1-1-1-1--|

Riff 4
E|-------------------------------------------|
B|-------------------------------------------|
G|-------------------------------------------|
D|-------------------------------------------|
A|-------------------------------------------|
E|--0-0-0-0-0-0-4-4-3-3-3-3-4-4-6-6-6-6-6-6--|