Riff one:
 Eb Db Eb
E|--------------------|
B|--------------------|
G|----7--9---7-9--7---| play 6 times
D|-2--7--9---7-9--7---|
A|-2--5--7---5-7--5---|
E|-0------------------|

stum first chord two times in the beginning.


Riff two:

E|--------------------|
B|--------------------|
G|-----7--9---12------| play 4 times
D|-22--7--9---12-12---|
A|-22--5--7---10-12---|
E|-00------------10---|

Only stum the first chord the first time.


Riff three:
 Gb                         Ab
E|----------------------------------|
B|----------------------------------|
G|----------------------------33----| play 2 times
D|-55--5-3--------55--5-3-----33----|
A|-55------5-3----55------5-3-11----|
E|-33----------6--33----------------|


Riff four:

E|--------------------|
B|--------------------|
G|-12--10---12--10----| play 4 times
D|-12--10---12--10----|
A|-10--8----10--8-----|
E|--------------------|

Then play:
4x Riff one
4x Riff two
2x Riff three
4x Riff four

Under solo play:
4x Riff one
2x Riff three
4x Riff four

Then play:
4x Riff one
4x Riff two
2x Riff three
4x Riff four
repeat Riff one 'till fade.