INTRO & VERSE riff (4/4 key Am):
E|--------------------|--------------------|
B|--------------------|--------------------|
G|--------5(b)--------|--------------------|
D|-----7------7-5-7---|--------------------|
A|--------------------|-3(b)-0-3(b)-0------|
E|-5------------------|--------------------|

PD-C HORUS (6/4): G E G Fm
INSTRUMENTAL (4/4): Am (riff)
CHORUS (6/4): Fm C Dm