The Pressman(bassline arr. for guitar) - Primus
Hopefully this si right.  I just found it out one day twinkin on the guitar.

e|-------------|
b|-------------|
g|-------------|
d|-------------|
a|-------------|             
e|3-3-4-3------|             

then play the bottom part as the end of the top riff 
after playing the top riff alone however many times as needed.

e|-------------|            
b|-------------|
g|-------------|
d|3h5-0--------|
a|-------------|
e|-------------|