I tabbed this song earlier and was way off, I am corresting it.  This song is played on a 5-string, but it has different tuning. (Ab,Db,Gb,Cb,Fb)  This is how all of their bass is tuned.  
Intro/Verses

Fb /-------------------------------------------------------------------------|
Cb /-------------------------------------------------------------------------|
Gb /------0-0-0-0-0-0-0-0--3-3-3-3-3-3-3-3-----------------------------------|
Db /---------------------------------------0-0-0-0-0-0-0-0-0-0-0-0-0-0-0-0---|
Ab/--------------------------------------------------------------------------|

Chorus

Fb /-------------------------------------------------------------------------|
Cb /-------------------------------------------------------------------------|
Gb /-------------------------------------------------------------------------|
Db /------------1-3--1-3--1-3--1-3--0-3-5--0-5-------------------------------|
Ab /-------------------------------------------------------------------------|