main clean riff       
E|----------------|-----------------------|
B|----------------|-----------------------|
G|----------------|-----------------------|
D|-----4-----4----|------9------7---7-----|
A|---2-----2------|----7------7-----------|
E|-0-----3-----2--|--0------0------0------|

  varianted clean riff
E|--------------------------|-----------------------|
B|--------------------------|-----------------------|
G|--------------------------|-----------------9-----|
D|-----4-----4--------------|-----9-----7--7---9----|
A|---2-----2----------------|---7-----7---------7---|
E|-0-----3-----2--3-3-2-3-2-|-0-----0-----0------7--|

  1st distortion riff
E|------------------------------------|
B|------------------------------------|
G|------------------------------------|
D|------------------------------------|
A|------------------------------------|
E|--2---0-2-3---5---5-3-2--0-3-2------|

  clean riff before the heavy distortion
E|----------------|-----------------------|
B|----------------|-----------------------|
G|----------------|-----------------------|
D|-----4-----4----|-----------------------|
A|---2-----2------|-----------------------|
E|-0-----3-----2--|--/8-8-7--7h8h7--------|

E|----------------|-----------------------|
B|----------------|-----------------------|
G|----------------|-----------------------|
D|-----4-----4----|-----------------------|
A|---2-----2------|-----------------------|
E|-0-----3-----2--|--/8-8-7--7-8-7-10-7---|

Kicking ass disto  (It's difficult to get the right rythm, but I check this 
E|------------------------------------| riff the most time of the 45mins
B|------------------------------------| and I am sure that's right!
G|------------------------------------|
D|--------2-3-2-----------------------|
A|-------------------------2-3-2------|
E|-5-0-3--------3----0-3-5-------3----|


E|------------------------------------|
B|------------------------------------|
G|------------------------------------|
D|---------3-2-0---0-2-3-5------------|
A|-------------------------3---2------|
E|-5-0-3-5----------------------------|

riff after
E|--------------------|
B|--------------------|
G|--------------------|
D|-2-2-2--------------|
A|-0-0-0----2--3-3-3--|
E|----------0--1-1-1--|

E|------------------------------|
B|------------------------------|
G|------------------------------|
D|-2-2-2------------------------|
A|-0-0-0------3-3-3-------------|
E|------------1-1-1--3-3-3-3-3-3|