The complete debut album lineup to Sylencer's A Lethal Dose Of Truth is as follows: Markus Johansson – Lead Vocals/Lead Guitar Johnny Rox – Bass Guitar Kevin Talley – Drums GUEST APPEARANCES: Michael Angelo Batio – Lead Guitar (MAB, Nitro) Rob Caggiano – Lead Guitar (Anthrax, The Damned Things) Metal Mike Chlasciak – Lead Guitar (Rob Halford, Sebastian Bach) Steve DiGiorgio – Bass Guitar (Sadus, Death, Testament, Iced Earth) Roland Grapow – Lead Guitar (Helloween, Masterplan) The Heathen – Vocals (Zimmers Hole) Gene Hoglan – Drums (Dethklok, Testament, Strapping Young Lad, Death) Andy LaRocque – Lead Guitar (King Diamond, Death) Christian Lasegue – Lead Guitar (Jag Panzer) Marco Minnemann – Drums (Necrophagist, Paul Gilbert, Kreator) Sean Reinert – Drums (Cynic, Death) Jordan Rudess – Keyboards (Dream Theater, Liquid Tension Experiment) Brendon Small – Lead Guitar (Dethklok) Steve Smyth – Lead Guitar (Forbidden, Testament, Nevermore) Larry Tarnowski – Lead Guitar (Iced Earth) Emil Werstler – Lead Guitar (Daath, Chimaira, Levi/Werstler)