First time the Synth bass comes in (0:39)
G—————————————————————————————|
D—————————————————————————————|
A————7——7———5——5———5——5——7——7—|
E——0——————0———————0——————8————|
X 2

Main bass riff builds on that…(1:05)
G————————————————————————————————————————————————————————————————|
D——————————————————————————————————————5—5———————————————————————|
A————7——7———5——5———5——5———7——7————7——7———————5——5———5——5———7——7——|
E——0——————0——————0——————8——————0———————————0——————0——————8———————|

This is the main bass line that is repeated throughout the whole song. 
However, there are a few parts that cut the bass off at different parts 
of this bass line (Rest at 1:24, play main bass line at 1:45. Rest at 2:05, 
play main bass line at 2:21. Rest at 2:33, play main bass line at 2:35. Rest 
at 3:00, play main bass line at 3:41. Rest at 3:51, play main bass line at 3:54, to end of song).

tabbed by matthewzarder.com