This is the opening riff.
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-5-0-0-3-0-0-5-0-0-3-0-0------5-0-0-3-0-0-5-0-0-3-0-0-------------0-3-0-3-0-0
-------------------------2-1--------------------------2-1-----1-2------------
-----------------------------------------------------------2-----------------
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-------0-3-0-3-0-0---
---1-2---------------
-2-------------------  play this riff twice, then play this riff ...
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-5---3---5---3-------5---3---5---3-------5---3---5---3-------
----------------2-1-----------------2-1-----------------2-1---
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-5---3---5---------0-3-0-3-0-0--------0-3-0-3-0-0---------
---------------1-2----------------1-2-------------------
-------------2------------------2-------------------------
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