Okay, this is a simple song but it has a really sick sounding bassline.

Main Groove:
D|------------------------|
A|------------------------|
E|----------------------3-|
B|-5~~-3~~-2p1~~-1-1-1-1--|


Variation:
|------------------------|
|------------------------|
|---------3--------------|
|-5~~-3~~--2p1~~-1-1-1-1-|