 In 1947 he made his formal concert debut in Helsinki, and in 1951 his formal operatic debut in Århus as Colline in "La bohème".In addition to his concert appearances, he sang regularly in opera in Helsinki and Copenhagen (1952–1970), Stockholm (1963–1975), and Hamburg (1964–1970).In October 1959 he made his Metropolitan Opera debut in New York City as Count Almaviva, remaining on its roster until 1962.