As an opera singer, Fischer-Dieskau performed mainly in Berlin and at the Bavarian State Opera in Munich. He also made guest appearances at the Vienna State Opera, at the Royal Opera House, Covent Garden in London, at the Hamburg State Opera, in Japan, and at the King's Theatre in Edinburgh, during the Edinburgh Festival. His first tour in the United States took place in 1955, when he was 29. For his recitals there he was accompanied by Gerald Moore. He recorded many Lieder with Gerald Moore, and gave many recitals with him until Moore retired in 1967. However, they continued to make recordings after that. Their recordings of the Schubert song cycles