|----------------------------------------------------------------------------|
|-----------------------------4----7----------------------------------------|
|-------4----7---------5----------------------4----7-------7-5-4-0------|
|--5--------------------------------------5---------------------------------|

 The whole song is just this riff over and over.  Every now and again there?s a nifty variation, and there?s pauses too, but nothing too hard to pick out if you listen!
Enjoy my first tab.