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Agent Steel's John Cyriis insane voice for 1min long.
Agent Steel John Cyriis Interview-New album & Singing For Megadeth in Early Years-Classified File 01
Vermin - Satan's Reign (John Cyriis on vocals)
RARE 1987 Interview with Johnny Cyriis and Chuck Profus [VINTAGE]
Agent Steel - Agent of Steel with John Cyriis live at Sweden Rock Festival 2011
Short interview with John Cyriis from AGENT STEEL
John Cyriis with S.E.T.I. live @ Headbangers Open Air 2011
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