Riff A
G----------------------------------------
D----------------------------------------
A-----.------.-----------.------.--------
D--22-2-0-22-2-0-220--33-3-0-33-3-0-330--


Riff B
G------------------------------------
D------------------------------------
A----.---.---.--------.---.---.------
D--222-222-222-220--333-333-333-330--


Riff C
G---------------------------------------
D---------------------------------------
A--22222222-22222222-33333333-33335555--
D---------------------------------------

G---------------------------------------
D---------------------------------------
A--22222222-22222222--------------------
D--------------------55555555-55555555--

This transcription is pretty simplified.  The actual riff
has lots of fills and grace notes.  It should sound fine if
you improvise those parts, though.


Riff D
G---------------------------------------
D---------------------------------------
A--33333333-33333333-55555555-55555555--
D---------------------------------------


Riff E
G------------------------------------
D---------------.-----------------.--
A--55555555-55555----55555555-55555--
D------------------------------------

G------------------------------------
D---------------------------------.--
A---------------.----55555555-55555--
D--00000000-00000--------------------

Order of parts:

  Riff A    X 4
  Riff B    X 6
  Riff C    X 2
  Riff B    X 6 
  Riff C    X 2
  Riff B    X 6
  Riff A    X 4
                    The last time you play this, instead of a
  Riff B    X 4  <- low D on the last note, play it one octave
                    higher, to transition to the next riff.
  Riff C    X 2
  Riff D    X 8
  Riff E    X 1