This is just the intro, I'll get the rest when I damn well feel like it
[ Tab from: https://www.guitartabs.cc/tabs/u/unwritten_law/walrus_tab.html ]
e------------------------------------------------------------------------|
B------------------------------------------------------------------------|
G------------------------------------------------------------------------|
D-------------------2--5-------------------------------------------------|
A----------2--3--5-------------------------------------------------------|
E--3--3--5---------------------------------------------------------------|
Really simple, just basically a modified scale, great song by the way.