Black Sabbath tab by Black Sabbath

BLACK SABBATH (Iommi/Butler/Ward/Osbourne)
-------------------------------------------

Riff A :

E------------------------|-------------|--
B------------------------|-------------|--
G------------------------|-------------|--       * 2
D--0--5------------------|---0--5------|--
A-------4H5P4H5P4H5P4H5--|--------4----|--
E--3---------------------|---3---------|--

Riff B:
E-----------|--
B-----------|--
G-----------|--    * 2
D----5------|--
A------4----|--
E--3--------|--

Verse 1 (w Riff B):

What is this that stands .....

Riff A *2
Riff B *2

Verse 2 (w Riff B):

Big black shape with .....

Riff C:

E-------------------------|--
B-------------------------|--
G-------------------------|--  * 4
D-----------0-1---0-----0-|--
A-------1-3-----3---1-3---|--
E-3-3-3-------------------|--

Verse 3 (w Riff C):

Is this the end my ...