Hellhammer / Celtic Frost / Emperor / Bathory

Comprised of:

1. Hellhammer Group, Began: May 1982 in Nürensdorf , Ended: May 1984 in Nürensdorf
2. Celtic Frost Group, Began: Jun 1984 in Zurich , Ended: 09 Sep 2008 in Zurich
3. Emperor Group, Began: 1991 in Notodden
4. Bathory Group, Began: 16 Mar 1983 in Vällingby , Ended: 07 Jun 2004 in