Artist:U2
Album:The Joshua Tree/The Best of 1980-1990

Main Riff:

----------------------------------------------------------------------------------------------------------------
---------------------------------------------------------4-4-4---------4-4-4------------------------------------
-4-4-4-----4---4-4-4-----4---4-4-4-----4---4-4-4-----4-------------4-------------4---4-4-4-----4---4-4-4-----4--
-------4-6-----------4-6-----------4-6-----------4-6-----------4-6-----------4-6-----------4-6-----------4-6----

Refrain:

------------------------------------------------------------
-----------------4-4-4-4-4-4-4-4----------------------------
---------------4----------------------4---4-4-4-----4-------
-4-4-4-4-4-4-6--------------------4-6-----------4-6---------

the middle bit is nearly the same as the main riff make it out by yourself it is really easy !

Thats it