Here is what I play for the riffs through out the song :
Riff 1
|-----3-------3-------3-------3-----------------------------|
|-1-1-----1-1-----1-1-----1-1-------------------------------|
|-----------------------------------------------------------|
|-----------------------------------------------------------|
|-----------------------------------------------------------|
|-----------------------------------------------------------|
Riff 2
|-----------------------------------------------------------|
|----5-5-5-5--------6-6-6-6-5-------------------------------|
|------------5-5--------------------------------------------|
|-----------------------------------------------------------|
|-----------------------------------------------------------|
|-----------------------------------------------------------|