This is the main riff:
|----------------------------------------------------|
|----------------------------------------------------|
|----------------------------------------------------|
|-------7-5v~-----5~-----5~--------5-/7v~~~~---------|
|-5h6------------------------------------------------|
|--------------6~-----5~-----------------------------|
Now through out the song there are a couple variations
Variation 1:
|----------------------------------------------------|
|----------------------------------------------------|
|----------------------------------------------------|
|-------7-5v~-----5~-----5~--------5-5-5~~~~---------|
|-5h6------------------------------------------------|
|--------------6~-----5~-----------------------------|
Variation 2:
|----------------------------------------------------|
|----------------------------------------------------|
|----------------------------------------------------|
|-------7-5v~-----5~-----5~--------5~~---------------|
|-5h6------------------------------------------------|
|--------------6~-----5~-----------------------------|