back to firsst part of octaves, then bass fill: G:------6-6--------4-4-4-4-------------------4h6--+ D:-------------------------4-4-4--4-4-4---4h6-----+ A:-4-4-4----7-7-7------------------------4--------+ repeat that except for the last two hammer ons
start from the top, then the classic finger eleven move of slwer chords from the low end of the scale (this happens in every song)