Until 1991 he conducted at the Vienna State Opera a large repertoire going from Mozart to Alban Berg.
In Vienna he collaborated with the some of the world's greatest singers: Luciano Pavarotti (Un ballo in maschera), Jose Carreras (Carmen), Thomas Hampson, Gundula Janowitz, Hermann Prey (Le nozze di Figaro), Ruggero Raimondi, Agnes Baltsa (L'italiana in Algeri), Hildegard Behrens (Wozzeck), Éva Marton (Elektra), Giuseppe Taddei (L'elisir d'amore).