This is pretty much the way it's played live and how it sounds on the album, except for 
the loud part with the indian strings. I'm not sure what Justin plays live but here's 
what I like to play.
You can also see for yourself here: https://www.youtube.com/watch?v=ReGDykqIfa4

INTRO

e ---------------------------------------------------------------------------------------|
B ---------------------------------------------------------------------------------------|
G ---8---8---8---8---8---8---8---8----8h9--9---9---9---9---9---9---9-/14-\4---4---4---4--|
D -----9---9---9---9---9---9---9---9---------9---9---9---9---9---9-----------------------|
A ---------------------------------------------------------------------------------------|
E ---------------------------------------------------------------------------------------|


VERSE 1

e ----------------------------------------------------------------------------------------------|
B ----------------------------------------------------------------------------------------------|
G ---8---8---8---8---8---8---8---8----8h9--9---9---9---9---9---9---9-/14-\4---4---4---4---4---4-|
D -----9---9---9---9---9---9---9---9---------9---9---9---9---9---9------------------------------|
A ----------------------------------------------------------------------------------------------|
E ----------------------------------------------------------------------------------------------|


e ---------------------------------------------------------------------------------------|
B ---------------------------------------------------------------------------------------|
G ---8---8---8---8---8---8---8---8----8h9--9---9---9---9---9---9---9-/14-\4---4---4---4--|
D -----9---9---9---9---9---9---9---9---------9---9---9---9---9---9-----------------------|
A ---------------------------------------------------------------------------------------|
E ---------------------------------------------------------------------------------------|


CHORUS

e ---------------------------------------------------------------------------------------|
B -----8---8---8---8---8---8---8--8----12----12----12----12/15----15----15----15----15---|
G ---9---9---9---9---9---9---9--9---12----12----12----12-------16----16----16----16------|
D ---------------------------------------------------------------------------------------|
A ---------------------------------------------------------------------------------------|
E ---------------------------------------------------------------------------------------|

e ---------------------------------------------------------------------------------------|
B -----8---8---8---8---8---8---8--8----7---7---7---7---7---7---7---7---------------------|
G ---9---9---9---9---9---9---9--9----8---8---8---8---8---8---8---8-----------------------|
D ---------------------------------------------------------------------------------------|
A ---------------------------------------------------------------------------------------|
E ---------------------------------------------------------------------------------------|

Play the previous whole riff 2 times and then add:

e ---------------------------------------------------------------------------------------|
B ----7---7---7---7---7---7---7---7------------------------------------------------------|
G ---7---7---7---7---7---7---7---7-------------------------------------------------------|
D ---------------------------------------------------------------------------------------|
A ---------------------------------------------------------------------------------------|
E ---------------------------------------------------------------------------------------|


*END OF CHORUS 1*

e ---------------------------------------------------------------------------------------|
B ---------------------------------------------------------------------------------------|
G ---4-----------------------------------------------------------------------------------|
D ---4--(listen to the song for times and strumming)-------------------------------------|
A ---2-----------------------------------------------------------------------------------|
E ---------------------------------------------------------------------------------------|


vERSE 2

...Pause... then:

e ---------------------------------------------------------------------------------------|
B ---------------------------------------------------------------------------------------|
G ---4---4---4---4-----------------------------------------------------------------------|
D ---------------------------------------------------------------------------------------|
A ---------------------------------------------------------------------------------------|
E ---------------------------------------------------------------------------------------|

e ----------------------------------------------------------------------------------------------|
B ----------------------------------------------------------------------------------------------|
G ---8---8---8---8---8---8---8---8----8h9--9---9---9---9---9---9---9-/14-\4---4---4---4---4---4-|
D -----9---9---9---9---9---9---9---9---------9---9---9---9---9---9------------------------------|
A ----------------------------------------------------------------------------------------------|
E ----------------------------------------------------------------------------------------------|


CHORUS


BRIDGE 1

e ---------------------------------------------------------------------------------------|
B ---------------------------------------------------------------------------------------|
G -----9^-----------9\8--9/12--9/8-------------------------------------------------------|
D -------------------------------------------Play 4 times--------------------------------|
A -----7^-----------7\6--7/10--7/6-------------------------------------------------------|
E ----------8---7------------------------------------------------------------------------|

e ---------------------------------------------------------------------------------------|
B ---------------------------------------------------------------------------------------|
G ---9-9-9-9-9-9-9-9---11-11-11--12-12-12--8-8-8-8-8-8--Listen to the times and pattern--|
D -----------------------------------------------------------Play 2 times----------------|
A ---7-7-7-7-7-7-7-7---9--9--9---10-10-10--6-6-6-6-6-6-----------------------------------|
E ---------------------------------------------------------------------------------------|


CHORUS


BRIDGE 2

e ---------------------------------------------------------------------------------------|
B ---------------------------------------------------------------------------------------|
G -----9^-----------9\8--9/12--9/8-------------------------------------------------------|
D -------------------------------------------Play 4 times--------------------------------|
A -----7^-----------7\6--7/10--7/6-------------------------------------------------------|
E ----------8---7------------------------------------------------------------------------|

e ---x\----------------------------------------------------------------------------------|
B ---x\----------------------------------------------------------------------------------|
 ---x\-----------------------------------------------------------------------------------|
D ---x\----------------------------------------------------------------------------------|
A ---x\----------------------------------------------------------------------------------|
E ---x\----------------------------------------------------------------------------------|

In live performances Justin slides a drumstick all the way from bottom to top of the 
fretboard while strumming fast

Outro (no guitar)