Riff 1:
B-|------------------------------------------------|
E|------------------------------------------------|
D-|------------------------------------------------|
A-|-7^^------5/7-7/4-4/8--7^^-------9/12-12/7-7/9--|
E-|----------3/5-5/2-2/6---------------------------|
B-|-----0000------------------0000-----------------|  x's 3, (3rd time end on first half)
  pm    ....                  ....

 Riff 2: Speed pick.
B-|---------------------------------------------------------------------|
E|---------------------------------------------------------------------|
D-|---------------------------------------------------------------------|
A-|-7-9-11-10-7-9-10---------------7-9-11-10-7-9-10---------------------|
E-|--------------------------------------------------7-6-5-4-5-7--------|
B-|-------------------5-4-3-2-3-5--------------------5-4-3-2-3-5  x's 2-|

 Riff 3:
B-|-----------------------|
E|-----------------------|
D-|-----------------------|
A-|----------7-4-6--------|
E-|-4-7-6-5--5-2-4--------|
B-|-2-5-4-3-------  x's 2-|

Riff 2 once

Riff 1 x's 4

 Riff 4:
B-|-----------------------------|
E|-----------------------------|
D-|-----6-7-6-5-----------------|
A-|---5---------7---------------|
E-|-------------------------5-4-|
B-|-3------------- x's 3----3-2-|  x's 5 (last time don't end on chords)

Riff 3 x's 2

Riff 2 once

 Riff 5: all x's 1, then first half x's 3                                 lead, throughout
B-|---------------------------------------------------------------------|----------------------|
E|---------------------------------------------------------------------|----------------------|
D-|----------------------------8-9-8-7----7-9---------------------------|-9-10-9-10-9-10-9-10--|
A-|-2----------------2-------7----------9-------2----------------2------|----------------------|
E-|-2--5--4--6-5-4-5-2--5--4--------------------2--5--4--6-5-4-5-2--5--4|----------------------|
B-|-0--3--2--4-3-2-3-0--3--2--------------------0--3--2--4-3-2-3-0--3--2|----------------------|
pm         . . . .                                     . . . .

 Riff 6: Speed pick.
B-|------------------------|
E|------------------------|
D-|------------------------|
A-|------------------------|
E-|------------------------|
B-|-2-1-7-6-3-5-2-4  x's 4-|

 Riff 7: Speed pick.
B-|-----------------------------------------------------------------|
E|-----------------------------------------------------------------|
D-|---7-6-5----6-7--------------------------------------------------|
A-|-5--------5-----------------------------------------------2------|
E-|-----------------6-5-4-5----------------------------------2--5-4-|
B-|-----------------4-3-2-3   x's 4 (skip chords 3rd time)---0--3-2-|
  pm                . . . .