G--------------------------------------------------------------------------|
D---5--------------------5-----------------5-----------------5-------------|
A-----4-4-444-44/13-------4-4-444-44\0-------4-4-444-44/9-----4-4-444-44/0-|
E3--------------------3-----------------3-----------------3----------------|

Main riff with vocals.''what's this,that stands before me??

G-------------------------------|This is the piece before it's get loud. 
D------------------------------:|''oh noooooo''
A------4-4-4444-------4-4-4444-:|-----4-4-444-44/13\0-|
E-3--3-----------3--3-----------|-3--3----------------|

The third time of the loud riff,before it goes to the fast guitar riff.

G--------------------------------------------------------------------------|
D---5---------------5----------------5----------------5--------------------|
A----4-4-444-44\0----4-4-444-44/13-----4-4-444-44/9----4-4-444-44\0--------|
E3---------------3----------------3----------------3---------------3(hold)-|

This is geezer playing during the fast guitar riff.''Now it's near the end my friend''

G-------------------------------------------------------|
D-------------------------------------------------------|
A-10-10-10-10--10-10--10-10--10-10-10-10--10-10--10-10--|
E-------------------------------------------------------|

This play's geezer during the solo and the very fast riff.
Hold this rythm:QQQEEQQQEE

  Q  Q  Q   E E Q Q Q EE Q Q Q EE Q Q Q EE Q  Q  Q  E E 
G---------------------------------------------------------------------|
D---------------------------------------------------------------------|
A-10-10-10-1010-8-8-8-88-7-7-7-77-6-6-6-66-10-10-10-1010......Repeat--|
E---------------------------------------------------------------------|

The end:

G------------------------------------------------------------------|
D------------------------------------------------------------------|
A-10-1010-1010-13-13-1313-13-13-1313-10-10-1010-(rest)10-10-1010---|
E------------------------------------------------------------------|