Alright, this just repeats over and over. The main riff is all in the same scale, for the most part I believe. Em I guess.

High E string ---- 7-5-3-2--2-3-5-3-2-0

Em7 - D - Am7 - Cadd9

That'll get you started.
what about the other parts???
there is atleast 2 other riffs
thnx for ur quick reply