Okay so I don't even know if the bass plays the main riff in this, but you can play it anyway! 

****DON'T play for the first two lines in the 2nd verse!****

Main Riff (X4)
G|-----------4----------|-------------------------|
D|-4-4-4-0-5---6-6-6----|---8\-----------------4x-|
A|-------------------6x-|-6x---4x-4x-44~4x-4-04---|
E|----------------------|-------------------------|

G|-----------4----------|-------------------------|
D|-4-4-4-0-5---6-6-6----|-------------------------|
A|-------------------6x-|-6x---4x-4x-4x-4x-4x-----|
E|----------------------|-------------------------|

"Million, Billion, Trillion, Gazillion..." (X1)
G|-----------4----------|-------------------------|
D|-4-4-4-0-5---6-6-6----|---8\-----------------4x-|
A|-------------------6x-|-6x---4x-4x-44~4x-4-04---|
E|----------------------|-------------------------|

G|-----------4----------|-----------------|
D|-4-4-4-0-5---6-6-6----|-----------------|
A|-------------------6x-|-6x-------/12\---|
E|----------------------|-----------------|

Chorus (X1)
G|---------------------------------|---------------------------------|
D|---------------------------------|---------------------------------|
A|-------------------------4-4-4-4-|-------------------------4-4-4-4-|
E|-2-2-2-2-4-4-4-4-6-6-6-6---------|-2-2-2-2-4-4-4-4-6-6-6-6---------|

G|---------------------------------|---------------------------------|
D|---------------------------------|---------------------------------|
A|-------------------------4-4-4-4-|---------------------------------|
E|-2-2-2-2-4-4-4-4-6-6-6-6---------|-2-2-2-2-4-4-4-4-6~--------------|

Bridge
G|---------------------------------|
D|---------------------------------|
A|---------------------------------|x4
E|-2-2-2-2-2-2-2-2-4-4-4-4-4-4-4-4-|

Jack Mills