Riff 1:

E|-------------------------|
B|-------------------------|
G|-------------------------|
D|-9----7----12----11----8-|
A|-7----5----10----9-----6-|
E|-------------------------|

Riff 2:

E|--------------------------------------------|
B|--------------------------------------------|
G|--------------------------------------------|
D|--------------------------------------------|
A|--------2----------2----------2----------2--|
E|--0-0-0-0----0-0-0-0----0-0-0-0----0-0-0-0--|
Pm  . . . .    . . . .    . . . .    . . . .

Riff 3:

E|-------------------------------------------------|
B|-------------------------------------------------|x2
G|-------------------------------------------------|
D|-------------------------------------------------|
A|---5---4---5---4---5---4---5---4---5---4---5---4-|
E|-0-3-0-2-0-3-0-2-0-3-0-2-0-3-0-2-0-3-0-2-0-3-0-2-|