Riff:
-17-12-17-12----12--------------------- ]
-------------15----15-13--------------- ]
-------------------------14-12-14---12- ]x
--------------------------------------- ]2
--------------------------------------- ]
--------------------------------------- ]
-15-12-15-12----12---------------------
-------------15----15-13---------------
-------------------------14-12-14---12-
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-15-12-15-12----12-------------19---20-
-------------15----15-13---------------
-------------------------14-12---------
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