ヨハン・リーヴァ
Necrony — vocals on Pathological Performances (1993)
Birdflesh — Alive Autopsy/Trip To The Grave (2001/2004)
Manipulated Slaves — backing screams on The Legendary Black Jade (2002)
Legen Beltza — vocals on Dimension Of Pain (2006)
Synastry — vocals on track "Visions of Anger" from album Blind Eyes Bleed (2008)
Oceans of Sadness — on track "In The End" from album The Arrogance of Ignorance (2008)