The intro is just random notes, mostly on the A string.

Verse (Bass only)
G|----------------------------------|
D|----------------------------------|
A|77777777--------33333333----------|
E|--------55555555--------3333-5555-|

Verse (Full band)

G|---------------------------7-5----9-7----|
D|---------555555--77777-5------7-5----9-7-|
A|777777-55------77-------7-5--------------|
E|-----------------------------------------|

Bridge
G|----------------------------------|
D|----------------------------------|
A|7-77-777--------3-33-333----------|
E|--------5-55-555---------3-3--5-5-|