This is the bass line to "Tough at the Top" by E-Z Rollers.

g-------2-------------------2-------------------|
d------------2--1----------------2-1-2-1--------|  Repeat
a--0---------------2-1-0------------------2-1-0-|
e-----------------------------------------------|

That's basically the bass line that repeats throughout the entire song.

E-Z Rollers website: http://www.myspace.com/ezrollers