Main riff:
E|--------------------------------------| |
B|---------------------6---5---3--------| |
G|---------0----------------------4-----| |
D|--------------2-----------------------| |
A|----3---------------------------------| |
E|--------------------------------------| |

  Bassier riff, played occasionally:
E|--------------------------------------| |
B|--------------------------------------| |
G|--------------------7/9--7---5--------| |
D|---------2----------------------7-----| |
A|----0---------3-----------------------| |
E|--------------------------------------| |