riff 1:
E|-----------------------------------------------|
B|-----------------------------------------------|
G|-----------------------------------------------|
D|-----------------------------------------------|
A|------------------8--7-------------------3--6--|
E|-0000000000000000-6--5--0000000000000000-1--4--|
 pm--------------+      pm--------------+

riff 2:
E|---------|
B|---------|
G|-----3/4-|
D|-----1/2-|
A|-4-3-----|
E|-2-1-----|
 pm-+

riff 3:(not sure about the end)
E|----------------------------------------------------------------|
B|----------------------------------------------------------------|
G|----------------------------------------------------------------|
D|----------------------------------------------------------------|
A|--------------8--------------7----------------------------------|
|-000000000000-6-000000000000-5-00000000112211112233222233443333-|
 pm----------+  pm----------+  pm------------------------------+

order:
riff1 x4
riff2 x4
riff1 x4
riff2 x4
riff1 x2
riff3 x4
the end