This is a great song. It's actually not as complicated as it seems. Bass starts at 0:47. Listen to the song for the exact timing and breaks. Enjoy.

Part One:
G|--------------------------------------------------------------------------------------|
D|-7h8-----------------------7h8---------------7h8----------------8h7-------------------|
A|----10-10-10-10-10-10-10-10---8-8-8-8-8-8-8-8---7-7-7-7-7-7-7-7----8h7-7-7-7-7-7-7-7--|
E|--------------------------------------------------------------------------------------|

Part Two:
G|-------------------------------------------------------------------------------|
D|-------------------------------------------------------------------------------|
A|--------------------------------------------77---7-7777------------77-0-7-7777-|
E|-10-8-7-777-5-55-7-77-1-11-55-66-3-33-55-66----0--------3-33-55-66-------------|

Main Rift:             Into fast part:
G|---------------------|---------------|
D|---------------------|---------------|
A|-0-0-3-0-------3-5---|-0-0-3-0-------|
E|---------4-4-4-------|---------4-4-4-|

Fast Part:
G|-8h9------------------------8h9p10---------------10h9p8--------------------------9-10---------------------|
D|----8h9-10-10---------------------9-10-10--------------10h8p9-10-10-------------------10-10------10-9-8~--|
A|--------------8-10-11-11-11---------------8-10-11-------------------8-10-11-11-11-----------8-10----------|
E|----------------------------------------------------------------------------------------------------------|

Part Three: (comes in during loud part)
G|--------------------|
D|--------------------|
A|-0-0-3-5-6-666-5-3--|
E|--------------------|

Part Four:            End:
G|--------------------|---------|
D|----------------1-3-|---------|
A|-3-3-3--------------|-3-2-1-0-|
E|-------1-3-4-4------|---------|

0:47 Part One      (x2)
1:07 Part Two      (x2)
1:37 Part One      (x2)
1:57 Main Rift     (x3)
Intro to Fast Part (x1)
2:08 Fast Part     (x1)
2:23 Main Rift     (x1)
      -break-
2:28 Main Rift     (x1)
2:32 Fast Part     (x1)
      -break-
2:45 Part Three    (x1)
      -break-
2:51 Part Three    (x1)
2:54 Part Four     (x4) *play end piece after fourth 
      -break-
3:08 Part Three    (x1)
      -break-
3:14 Part Three    (x1)
3:16 Part Four     (x4) *play end piece after fourth 
3:27-5:40 -long break, no bass in slow part-
5:40 Main Rift     (x1)
      -break-
5:45 Main Rift     (x1)
5:47 Part Four     (x4) *play end piece after fourth 
6:01 Part Three    (x1)
      -break-
6:10 Part Four     (x4) *play end piece after fourth 

Tabbed by Mr. Brendan Powers TAB IS 100% CORRECT