This is the piano for Roar, I couldn't find it online for guitar so I made a tab for it  
:) It goes through the whole song. 

(For the intro, just play the first 2, pause, and start over for the rest of the song) 

e ---6---------8--------6---------8-------------------------------| 
B ---6---------6--------6---------6-------------------------------| 
G ---7-(12x)---5-(4x)---7-(12x)---7-(4x)--------------------------| 
D ---8------------------5-----------------------------------------| 
A ----------------------------------------------------------------| 
E ----------------------------------------------------------------|