Acting Johnny Gioeli Acting Axel Rudi Pell: Live at Wacken Open Air 2024 Lead Vocals / Backing Vocals 2024 Sonic 30th Anniversary Symphony Self - Crush 40 Vocals 2021 Axel Rudi Pell - Live On Fire (Live in Köln) Vocals 2013 Hardline: Live at the Gods Festival 2002 Lead Vocals 2003 Agent-readable