it goes arnd n arnd thw whole song.. wiht sum kinda wah pedal or smthin..
and it follows tru the bass line...

its A Dm Fm and A...

      A (x02220@1)        Dm (xx0231@1)      Fme-----5-----------5---------8-----------------------------------| (133111@1)b-----5-----------6---------9-----------------------------------|
g-----6-----------7---------10----------------------------------|
d-----7-----------7---------10----------------------------------|
a-----7-----------5---------8-----------------------------------|
e-----5-----------x---------x-----------------------------------|