Knowledge

its your average walking bass line.
its played normally not tuned any different way.

Verse:        
G------2-4-7-4-2-------------------------------
D-0-4---------------2---------5-7--------------
A-------------------------3-7--------------5-7-
E--------------------------------------3-7-----
(repeat, a few times)

Chorus - (play the Verse once then..)
G------2-4-5-4-2-------------------------
D-0-4--------------2-7-5-----------------
A----------------------------7-3------5-7
E---------------------------------3-7----
during the next 2 verses you do this.
G---------------------------------------------------------
D-0-0-0-0-------------------0-0-0-0-7-5-------------------
A------------3-3-------5-7------------------7-3-----------
E------------------3-7-----------------------------3-7-5-7

O'K thats it