I want to keep this nice and simple.

This is the breakdown of the group:

• The following genres are accepted:
  1970s Classics
  1980- present Heavy Metal
  1980- present Thrash Metal
  1980- present Death Metal
  1980-1990 First Wave of Black Metal
  1991- 1997 Second Wave of Black Metal
  1998- present Third Wave of Black Metal

Sub-genres:
Avant-garde, Technical, Melodic, Symphonic, Industrial, Prog, Themed.

Then we can discuss specific scenes by regions:
Ex - Murika! :
Cali DM
Maryland DM
Chicago DM
Texas NSBM

Australia:
Aussie Thrash
Aussie DM
Aussie BM

Germany:
Thrash
DM
BM

Poland:
Thrash
DM
BM

and so on.

The following genres are not accepted and contaminating the group with posts about them will get you banned without warning:

Metal core
Screamo
Emo
Etc