This is a song i learnt but i think it has pink floyd origins. so here it is 
if it sounds familiar you know why. 


----------0-------------------0-------------------0-----------
-----1------1---1--------1-------1---1-------1------1---1-----
---2---2------2--------2---2-------2-------2---2------2-------
-2-------------------3-------------------4--------------------
--------------------------------------------------------------
--------------------------------------------------------------


----------0---------------------------------------------------
-----1------1---1--------1----------1-----------1-------------
---2---2------2--------2---2------2---2-------2---2-----------
-3-------------------2----------0-----------------------------
-------------------------------------------3------------------
--------------------------------------------------------------


--------------------------------------------------------------
------1--------------1-------------------1--------------------
----2---2-------2------2---2--------2------2---2--------------
--------------2---2------2--------2---2------2----------------
-2----------0-------------------0-----------------------------
--------------------------------------------------------------

--------------------------------------------------------------
----------1------------------3-------------------1------------ 
-----0------0---0-------0------0---0--------2------2---2------  
---2---2------2-------0---0------0--------2---2------2--------     
-3------------------2-------------------0---------------------    
--------------------------------------------------------------     
                                                                    x2
--------------------------------------------------------------      /
-----------1--------------------------------------------------     /
-----2-------2---2--------------------------------------------    /
---2---2-------2----------------------------------------------   /
-0------------------------------------------------------------  /
-------------------------------------------------------------- /

You can repeat this forever & chop & change. 
enjoy