riff 1 main riff (guitar 1&2)
E|----------------------------------|
B|----------------------------------|
G|----------------------------------|
D|----------------------------------|
A|---0--3--0--3-/-7--3--------------|
E|---0--3--0--3-/-7--3--------------|

riff 1a main riff (guitar 1&2) 
E|----------------------------------|
B|----------------------------------|
G|----------------------------------|
D|----------------------------------|
A|---0--0--0------------------------|
E|---0--0--0------------------------|
pm  -  -  -

riff 2 fill (guitar 1)
E|----------------------------------|
B|----------------------------------|
G|----------------------------------|
D|----------------------------------|
A|----------------------------------|
E|---2~~~~~~2~~~~~~2~~~~~~2~~~~~~---|

riff 2a fill (guitar 1)
E|----------------------------------|
B|----------------------------------|
G|----------------------------------|
D|----------------------------------|
A|----------------------------------|
E|---1~~~~~~1~~~~~~1~~~~~~1~~~~~~---|

riff 3a main riff variation (guitar 1&2)
E|----------------------------------|
B|----------------------------------|
G|----------------------------------|
D|----------------------------------|
A|---0--0--0---0---0---0---0--0-----|
E|---0--0--0---0---0---0---0--0-----|

riff 3b main riff variation (guitar 1&2)
E|----------------------------------|
B|----------------------------------|
G|----------------------------------|
D|----------------------------------|
A|---3-/-7---6---0---6-----7----3---|
E|---3-/-7---6---0---6-----7----3---|

riff 4 bridge (guitar 1&2)
E|----------------------------------|
B|----------------------------------|
G|----------------------------------|
D|----------------------------------|
A|---5h4--4-5h4--4-5---0--2--3------|
E|---5h4--4-5h4--4-5---0--2--3------|