Atuação

• 1988
  Sanctuary: [1988] Essen, Germanycomo Himself - Vocals
• 1990
  Sanctuary: [1990] Detroit, Michigancomo Himself - VocalsSanctuary: [1990] Philadelphia, Pennsylvaniacomo Himself - Vocals
• 1992
  Nevermore: [1992] First Nevermore Showcomo Himself - VocalsNevermore: [1992] Sanctuary is Nevermorecomo Himself - Vocals
• 1999
  Nevermore: [1999] Melbourne, Australiacomo Himself - VocalsNevermore: [1999] Houston, Texascomo Himself - VocalsNevermore: [1999] Dreaming Neon Black Release Partycomo Himself - Vocals
• 2000
  Nevermore: [2000] Live in Seattlecomo Himself - VocalsNevermore: [2000] Montreal, Canadacomo Himself - Vocals
• 2001
  Nevermore: [2001] San Jose, Californiacomo Himself - VocalsNevermore: [2001] Live in Ft. Lauderdalecomo Himself - Vocals
• 2003
  Nevermore: [2003] Malmo, Swedencomo Himself - Vocals
• 2006
  Nevermore: [2006] Live at Wacken Open Aircomo Himself - VocalsNevermore: [2006] Live at Metalmaniacomo Himself - Vocals
• 2008
  Nevermore: The Year of the Voyagercomo Himself - Vocals
• 2010
  Sodom: Lords of Depravity Part IIcomo ele próprio
• 2011
  Nevermore: [2011] Live at Power of Metalcomo Himself - Vocals
• 2014
  Sanctuary: [2014] Seattle, Washingtoncomo Himself - VocalsSanctuary: [2015] London, Englandcomo Himself - Vocals
• 2015
  Sanctuary: [2015] Rock Hard Festivalcomo Himself - Vocals