riff 1
|--------------------------------||--------------------------------||--------------------------------||--------------------------------||--------------------------------||-----4----6----4----6--8---4---6| x4
riff 2
|--------------------------------||--------------------------------||--------------------------------||-----4----6----4----6----4---6--||-----4----6----4----6----4---6--||-----4----6----4----6----4---6--| x4
riff 3
|--------------------------------||--------------------------------||--------------------------------||----6----6-----6----6----6----6-||----6----6-----6----6----6----6-||----6----6-----6----6----6----6-|