This is tuned one-half step down.

Intro

Gb|-------------------------------------------------------------------
Db|------------------------------------------------------------------- 
Ab|--------5x6----10x3----9x3----7x3----5x3----3x6----5x6----7x24
Eb|-5x6---------------------------------------------------------------

Verse
Gb|-------------------------------------------------------------------
Db|-------------------------------------------------------------------
Ab|-------------------------------------------------------------------
Eb|--3--33--33--33--3-0--00--00--00--0-----------------------

Pre-Chorus
Gb|-------------------------------------------------------------------
Db|------------------------------------------------------------------- 
Ab|--------5x6----10x3----9x3----7x3----5x3----3x6----5x6----7x24
Eb|-5x6---------------------------------------------------------------

Chorus
Gb|------------------------------------------------------------------- 
Db|------------------------------------------------------------------- 
Ab|-------5x6--------3x6---------------------------------------------
Eb|-3x6--------0x6---------------------------------------------------

Post-Chorus

Gb|-------------------------------------------------------------------
Db|------------------------------------------------------------------- 
Ab|--------5x6----10x3----9x3----7x3----5x3------------------------
Eb|-5x6---------------------------------------------------------------							
The order goes as follows:

Intro x1
Verse x2
Pre-chorus x1
Chorus x3
Verse x2
Pre-chorus x1
Chorus x3							
Play 3 on the E string until the post-chorus comes in
Post-Chorus x2
Chorus x3