Riff 1:
E|---------------------------------------------------------------|
B|---------------------------------------------------------------|
G|---------------------------------------------------------------|
D|-------22222-555555--------------------------------------------|
A|-55555-22222-333333-55555--4--------5-------4-----------------5|
E|-33333-00000--------33333--2-222222-3-33333-2-22222| x's 2 ---3
pm                            ......   .....   .....

Riff 2:         Part A                                   Part B
E|------------------------------------------------|---------------------|
B|------------------------------------------------|---------------------|
G|------------------------------------------------|---------------------|
D|------------------------------------------------|--------777777-------|
A|----5----5----4----4----7----7----6----6--------|--9--4--555555-777777|
E|-00-3-00-3-00-2-00-2-00-5-00-5-00-4-00-4| x's 4-|--7--2---------555555 x's 2  Then Part A x's 4
pm..   ..   ..   ..   ..   ..   ..   ..

Riff 3:
E|---------------------|
B|---------------------|
G|---------------------|
D|-------2-------------|
A|-7--4--2--4---------7|
E|-5--2--0--2| x's 4 --5

Riff 4: Pm's begin while lead is still playing, then they combine.
E|-----------------------------------------------|
B|-----------------------------------------------|
G|-----------------------------------------------|
D|-----------------------------------------------|
A|-5/4/7-5-4--------5/4/7--5555555555555555555--5|
E|-----------x's| 5---------3333333333333333333--3
pm                        ...................

Outro:
E|------------------------------|
B|------------------------------|
G|------------------------------|
D|------2222-5555---------------|
A|-5555-2222-3333-5555---------5|
E|-3333-0000------3333| x's 8---3