Main rift on a standard tuning;
  A           A           A           A A ( on a second guitar)
- - - 3 - 3 - - - 5 - 5 - - - 6 - 6 - 5 - 6 - 5
- - - - - - - - - - - - - - - - - - - - - - - -
- 0 - - - - - 0 - - - - - 0 - - - - - - - - - -
-----------------------------------------------
-----------------------------------------------

Chorus:
This is probably a bit wonky and its just a rough version really;

A A G A A G D   A A G  G G A A D  A A G A G D A  A AA A AA  GG Eminor.