This is played at the beginning and between verses:
A (2 times) D Dm A F#
E|---------------2-0-|-2-2-2-2-2-2-1-1-1-1-1-1-|
B|-----0-1-2---------|-------------------------|
G|-2-2-------2-2-----|-------------------------|
D|-------------------|-------------------------|
A|-------------------|-------------------------|
E|-------------------|-------------------------|
E|-----------------|---------------|
B|-----0-1-2-------|---------------|
G|-2-2-------------|---------------|
D|-----------4-4-4-|-4-6-4-7-6-4-2-|
A|-----------------|---------------|
E|-----------------|---------------|
-
E|---------------------|-----------------|-------|
B|---------------------|-----------------|-------|
G|---------------------|-----------------|-------|
D|---2-4-6-4-2---------|---------2-2-4-2-|-2-2-2-|
A|-------------4-0-0-2-|-0-0-4-4---------|-4-4-2-|
E|---------------------|-----------------|-0-0-0-|