Career
In 1968, Roşca graduated from the Theatrical Arts Academy, but did not become an actor. He was forced to become a superior officer at police police force, working for the Traffic Division of the Bucharest Police for about ten years. A bass, he was engaged by the Romanian National Opera before defecting to West Germany in 1984.
Foreign his activity at the Aalto Theater in Essen he was awarded the title "Kammersänger".