Army's on Ecstacy
Oysterhead

Basic Beginning Bass Riff

G----------------5-5---------------5------
D---------5------5-5---------5-----5------
A----------------3-3---------------3------
E---3 x x---0h3--------3-x-x---0h3--------

I was able to catch these guy's live at the Utica Auditorium in NY, but 
unfortunately i wasnt able to get cloe enough to see what Les was doing, so I 
figured this out myself, sounds right to me.