Primus Bassist ? Les Claypool (if you didn?t know already)

Main Riff
G|--------------------------------------------------------------------9-9/10-
D|------------p7----------------p7----------------p7------------------9-9/10-
A|---4h-5--7-----p9-----4h-5--7----p9-----4h-5--7----p9-----4h-5--7----------
E|---------------------------------------------------------------------------
     +     +  -        +     +  -        +     +  -        +     +   

If you prefer to play the 4th fret on the D string you can, but I think it is much easier to play it with the 9th fret on the A string (same exact notes and sound).



 Alternate Riff
 
G|-------------------9-9/10-----------------------------|
D|------------p7-----9-9/10-------------p7--------------|
A|---0h4h5--7----p9------------4h-5--7-----p9-----------|
E|---------------------------------------------3-3-3----|                                    
     +     +  -              

 ...One, Two  
G|----------5---5-5-5---5-5---|  
D|----------5---5-5-5---5-5---|
A|----------------------------|
E|----------------------------|
            v   ^ v ^   v ^

G|--------5-------------5---------5------------5---|
D|--------5-------------5---------5-----x-x----5---|
A|-----------------------------------------x-x--------|
E|---0----------0-0---0--------0-----------x-x--------|    
     +    v     + +   +  v     +    v      v ^    v

 Ending
G|----------------------------|
D|----------------------------|
A|------------p7--------------|
E|---4h-5--7-----p9---5-4-3---|