Standard tuning THESE ARE THE POWER CHORDS. The riff is easy just listen and figure it out... e--------------------| a--------------------| d--------5-----5-----| g-----5--3--7--3--7--| b--7--3-----5-----5--| E--5-----------------| There is another part around 1:28 that im still trying to figure out. I think its a lot F not sure. Just fool around.