Acting Per Wiberg Acting Opeth: Live in Moscow, Russia 02-22-2012 Keyboards 2012 Opeth - Live in Sydney 2011 Keyboards 2011 Opeth: In Live Concert At The Royal Albert Hall Keyboards, Backing Vocals 2010 Live at Wacken 2008 Keyboards, Backing Vocals 2009 Opeth: The Roundhouse Tapes 2008 Spiritual Beggars: Live Fire! Keyboards 2005 Opeth: Lamentations Self - Keyboards 2003 Agent-readable