==Discography=====With E.F. Band===*"One Night Stand" (1985)===With King Diamond===*"Fatal Portrait" (1986)*"Abigail" (1987)*"Them" (1988)*"The Dark Sides" (EP, 1988)*"Conspiracy" (1989)*"The Eye" (1990)*"" (live, 1991)*"A Dangerous Meeting" (compilation, 1992)*"The Spider's Lullabye" (1995)*"The Graveyard" (1996)*"Voodoo" (1998)*"House of God" (2000)*"" (2002)*"The Puppet Master" (2003)*"Deadly Lullabyes: Live" (2004)*"Give Me Your Soul...Please" (2007)===With Death===* "Individual Thought Patterns" (1993)===With IllWill===*"Evilution" (1999)===With X-World/5===* New Universal Order (2008)===As guest musician===* At the Gates – "Slaughter of the Soul" (1995), guitar solo on "Cold"* Roadrunner United – (2005), trade off guitar solo on "Constitution Down"* Evergrey – "The Dark Discovery" (1998)* Einherjer – "Norwegian Native Art" (2000), guitar solo on "Doomfaring"* Falconer – "Chapters from a Vale Forlorn" (2002), lead guitar on "Busted to the Floor"* Falconer – "The Sceptre of Deception" (2003), lead guitar on "Hear Me Pray"* Falconer – "Grime vs. Grandeur" (2005), vocals on bonustrack "Wake Up"* Yyrkoon – "Unhealthy Opera" (2006), guitar solo on "Horror from the Sea"* Melechesh – "Sphynx" (2004), guitar solo on "Purifier of the Stars"* Witchery – "Witchkrieg" (2010), guitar solo on "From Dead to Worse"* Darzamat – "Solfernus' Path" (2010), guitar solo on "King of the Burning Anthems"* Critical Solution – Evidence of Things Unseen, guitar solo on Seek And Destroy* Critical Solution – Evil Never Dies, Guitar solo on "Killed By Death" and "Seek And Destroy"* Sorrowseed – "Nemesis Engine" (2013) – guitar solo on "The Sepulcher Legionnaires"* Snowy Shaw – "Snowy Shaw is Alive!
Band ===One Night Stand (1985)=== King Diamond ===* Fatal Portrait (1986)* Abigail (1987)* Them (1988)* The Dark Sides (EP, 1988)* Conspiracy (1989)* The Eye (1990)* (live, 1991)* A Dangerous Meeting (compilation, 1992)* The Spider’s Lullabye (1995)* The Graveyard (1996)* Voodoo (1998)* House of God (2000)* Abigail II: The Revenge (2002)* The Puppet Master (2003)* Deadly Lullabyes: Live (2004)* Give Me Your Soul…Please (2007)=== Death ===Individual Thought Patterns (1993)=== IllWill ===Evilution (1999)=== X-World/5 ===New Universal Order (2008)* At the Gates — Slaughter of the Soul (1995), гитарное соло на «Cold»* Roadrunner United — (2005), гитарное соло на «Constitution Down»* Evergrey — The Dark Discovery (1998)* Einherjer — Norwegian Native Art (2000), гитарное соло на «Doomfaring»* Falconer — Chapters from a Vale Forlorn (2002), ведущая гитара на «Busted To The Floor»* Falconer — The Sceptre of Deception (2003), ведущая гитара на «Hear Me Pray»* Falconer — Grime vs. Grandeur (2005), вокал на бонустреке «Wake Up»* Yyrkoon — Unhealthy Opera (2006), гитарное соло на «Horror from the Sea»* Melechesh — Sphynx (2004), гитарное соло на «Purifier of the Stars»* Witchery — Witchkrieg (2010), гитарное соло на «From Dead to Worse»* Darzamat — Solfernus' Path (2010), гитарное соло на «King of the Burning Anthems»* Critical Solution — Evidence Of Things Unseen, гитарное соло на «Seek And Destroy»* Sorrowseed — Nemesis Engine (2013) гитарное соло на «The Sepulcher Legionnaires»* Snowy Shaw — Snowy Shaw is Alive!