The following year, he appeared at the Spoleto Festival in Donizetti's Il duca d'Alba, and at the Piccola Scala in Paisiello's Nina.
During the 1962–63 season, he took part in revivals of Meyerbeer's Les Huguenots, as Nevers, and of Rossini's Semiramide, as Assur, both opposite Joan Sutherland.
He sang widely in Italy; Verona, Rome, Florence, Venice, Turin, Bologna, Naples, etc.
In 1964, he began a long association with the Vienna State Opera, appearing as Escamillo, Figaro, Colline, Ferrando, Alfio, etc.
Although he sang a wide range of roles, Mozart and Rossini were always at the core of his repertory where his comic talent, wide-ranging voice and clear diction were shown to fine effect notably as Figaro, Leporello, Guglielmo, Mustafa, Selim, Dandini.