Riff 2
G|---------------------------------------------|
D|----------------------------------------------|
A|----------------------------------------------|
E|-1-1-1----3--4--2----1-1-1----3-4-5-|
Play a bunch and then play Riff 1 and Riff 2 again.
Riff 3
G|----------------------------------------------------------------|
D|----------------------------------------------------------------|
A|-----------------------------------------------------------------|
E|--3-3-3----5-5-5-5----7-7-7-7---5-5-5--|
then play some G's and open E's then at "give it all back to you" play:
G|-------------------------------------------------------|
D|-------------------------------------------------------|
A|--------------------------------------------------------|
E|--7--5--3----7--5--3----7--5---3----4----|
Then play some open E's and Riff 2 and Riff 3 to the end.