(Chords are in the (EADGBe) format)
Intro and Verse:
Ab* (XXX898) <- not real sure about that, but it works
Repeat that for a while...
Those 2 chords that are switched between just before the chorus are Eb
and Bb, as played above.
Chorus (Power Chords):
Repeat a few times...
-Play verse again
-Play Chorus again
-Instramental Bridge I , uses verse chords
Power Chords, not real sure about this, but something like...