Do Something

Main riff - Just repeat throughout verses 1 and 2 (though does cut off once during verse 2)  

e|--------------------------------| 
B|--------------------------------| 
G|--------------------------------| 
D|--------------------------------| 
A|--------------------------------| 
E|---5--4--3---1---0-1-0-3-2-1-0--| 


Chorus 

e|-----------------------------------------------------------------------------|\ 
B|-----------------------------------------------------------------------------| \ 
G|-----------------------------------------------------------------------------|  x2   
D|-----------------------------------------------------------------------------|  / 
A|-----------------------------------------------------------7-----7-----7-----| / 
E|--5-5-5-5-5-5-5-5-3h5-5-5-3h5-5-5-3h5-5-3--5-5-5-5-5-5-5-5---5-5---5-5---5-3-|/  
                   Make the hammer-ons 
                          quick 


That's it, just these two riffs. During the outro the main riff is palm muted at points 
Also, sounds like he uses an octave pedal set to one octave down for a second track