John Cyriis with S.E.T.I. live @ Headbangers Open Air 2011

Agent Steel's John Cyriis insane voice for 1min long.

Short interview with John Cyriis from AGENT STEEL

Agent Steel Never Surrender LIVE 1986 Juan Garcia John Cyriis US Speed Metal Attack!

Pontius Prophet - Black Sacristy [JOHN CYRIIS-vocals]

Agent Steel John Cyriis Interview-New album & Singing For Megadeth in Early Years-Classified File 01

Black Reign - Blackstream Winter [JOHN CYRIIS-vocals]