For bass, the only strings you need to drop are E and A.
tuning-cgdg

Come in after short spoken part at (0:16)

intro
G ---------------------------------------------------------------------|
D ---------------------------------------------------------------------|
G 33-33-33-33----------------------------------------------------------|   x2
C -----------5555-33-33-33-33-115533-33-33-33-3333-11-11-00-00-5555----|


G -------------------------|
D -------------------------|
G -----------3-4------1----|   x8
C --------------5-1-1------|

intro chorus
G ------------------|
D ------------------|
G ------------------|   x4
C 66-88-6-5-66-5----|

chorus
G ---------------------------------------------------------------------|
D ---------------------------------------------------------------------|
G 33-33-33-33----------------------------------------------------------|   x2
C -----------5555-33-33-33-33-115533-33-33-33-3333-11-11-00-00-5555----|

pre-verse
G ----------------|
D ----------------|
G 33334313-3334313 x2
C ----------------

verse
G -------------|
D -------------|
G 3-4------1---|  x8
C ---5-1-1-----|

intro chorus
G ------------------|
D ------------------|
G ------------------|   x4
C 66-88-6-5-66-5----|

chorus
G ---------------------------------------------------------------------|
D ---------------------------------------------------------------------|
G 33-33-33-33----------------------------------------------------------|   x2
C -----------5555-33-33-33-33-115533-33-33-33-3333-11-11-00-00-5555----|

interlude
G -----------------------------------------------------------------|
D -----------------------------------------------------------------|
G 33333333333333333333333333333333333333333333333366666666---------|
C --------------------------------------------------------77777777-|


G -------------------------------------------------------------------|
D -------------------------------------------------------------------|
G 3333333333333333333333333333334-333333333333333366666666-----------|  x3
C --------------------------------------------------------77777777---|


 chorus
G ------------------------------------------------------------------|
D ------------------------------------------------------------------|
G 33-33-33-33-------------------------------------------------------|
C -----------5555-33-33-33-33-115533-33-33-33-3333-11-11-00-00-5555-|

interlude (short break)
G -----------------------------------------------|
D -----------------------------------------------|
G 33-33-33-33------------------------------------|
C -----------5555-33-33-33-33-115533-33-33-3-3-1-|


chorus
G --------------------------------------------------------------------|
D --------------------------------------------------------------------|
G 33-33-33-33---------------------------------------------------------|  x2
C -----------5555-33-33-33-33-115533-33-33-33-3333-11-11-00-00-5555---|

 outro
G ----------------|
D ----------------|
G 33334313-3334313  x3
C ----------------

G 33334313-333431
D ---------------|
G ---------------|
C ---------------|


 this song is so friggen awesome. enjoy!