Ending the bass riff, play this chord, listen to the song to understand when to play this :

INTRO:

Guitar
e|-----------------
b|13-13-13-13-13-13
g|12-12-12-12-12-12   REPEAT 4 TIMES
d|10-10-10-10-10-10
A|-----------------
D|-----------------

"I WILL REFUSE!!" Repeat this riff during whole the song.

e|----------------------------------------------------------------------
b|----------------------------------------------------------------------
g|----------------------------------------------------------------------
d|----------------------------------------------------------------------
A|---------------------------------7/4-------------------------------7/4
D|-4-4-4-4-4-4-4-4-4-4-6-6-6-6-6-7---4-4-4-4-4-4-4-4-4-4-6-6-6-6-6-7----

Before the chorus

e|-----------------
b|13-13-13-13-13-13
g|12-12-12-12-12-12
d|10-10-10-10-10-10
A|-----------------
D|-----------------

Ending on Gb (4eme fret), dont forget turning E to D.