Riff 1 x1
E|---------------------------------------------------|
B|---------------------------------------------------|
G|---------------------------------------------------|
D|---------------------------------------------------|
A|---2-2-----2-----2-----2-----2-2-----2-----2-2-2---|
E|---0-0-----0-----0-----0-----0-0-----0-----0-0-0---|

Riff 2 x4 (Fast)
E|---------------------------------------------------------------------|
B|---------------------------------------------------------------------|
G|---------------------------------------------------------------------|
D|---------------------------------------------------------------------|
A|---------------------------------------------------8-8-8-8-10-10-8---|
E|---7-7-7-7-5-5-5-7-7-7-7-10-10-8-8---7-7-7-7-5-5-5-------------------|

Riff 3 x2

Riff 3a
E|-------------------------------------|
B|-------------------------------------|
G|-------------------------------------|
D|-------------------------------2-2---|
A|---2-2-2-2-2-2-2-2-3-3-3-3-3-3-0-0---|
E|---0-0-0-0-0-0-0-0-1-1-1-1-1-1-------|
    · · · · · · · · · · · · · ·

Riff 3b
E|---------------------------------------|
B|---------------------------------------|
G|---------------------------------------|
D|-----------------------2---2-2---------|
A|---2-2-2-2-2-2-2-2-2-2-0---0-0--3--3---|
E|---0-0-0-0-0-0-0-0-0-0----------1--1---|
    · · · · · · · · · ·

Riff 2 x4 
Riff 3 x2

Riff 4
E|-----------------------------------|
B|-----------------------------------|
G|-----------------------------------|
D|---2------------2------------------|
A|---2--------3-3-2--------7-5-8-7---|
E|---0--------1-1-0--------5-3-6-5---|