The Hungarian baritone, István Gáti, was trained at the Franz Liszt Academy in Budapest. He was winner with singing competitions in Vienna, Treviso, Moscow, Rio de Janeiro and won the Mozart competition in Salzburg.
In 1972 István Gáti made his debut at the Budapest National Opera, at which he had a great career. He started then international appearances in Italy, France, Poland, Spain and Holland. After he had made guest appearance at the Vienna State Opera, he was connected since 1986 contractually with this steeped in tradition house. At the Salzburg Festival he participated in 1975-1976 in connect performance of Mozartís Schauspieldirektor.
István Gátiís stage repertoire was extensive and had its high points were roles like Don Giovanni and Leporello (1988 Opéra of Wallonie Lüttich) in Don Giovanni, Figaro and the Count in Le Nozze di Figaro, Guglielmo in Così fan tutte, Papageno in Zauberflöte, Haly in L'Italiana in Algeri by Rossini (Vienna, 1996), Scarpia in Tosca, Lescaut in Manon Lescaut by Puccini and Nick Shadow in The Rake's progress by Igor Stravinsky. At the Budapest Opera he sang in the premieres of the operas Csongor und Tünde by Attila Bozay (January 1985) and Ecce homo by Sándor Szokolay (January 1987). He appeared in 1990 at the Händel Festival of Göttingen in George Frideric Handelís opera Floridante, in 1991 at the Deutsche Oper in Berlin as Figaro in Le Nozze di Figaro. In the concert hall he became known particularly as a soloist in oratorios and scared vocal works of J.S. Bach, G.F. Handel, Mozart, L.v. Beethoven, Johannes Brahms, Franz Liszt and in works from the Baroque era.
István Gáti made numerous recordings on Hungaroton label, including Bach Cantatas, Don Sanche and Legende von der hl. Elisabeth by F. Liszt, Falstaff by A. Salieri, Il Barbiere di Siviglia by Paisiello, Don Pasquale by Donizetti, Simon Boccanegra by Verdi, Hunyadi László by F. Erkel, Der geduldige Sokrates by Georg Philipp Telemann, Balthasar and Jonas by Carissimi, Floridante by G.F. Handel, Brockes-Passion (TWV 5:1) by G.P. Telemann, Deutsches Requiem by J. Brahms, Lieder aus des Knaben Wunderhorn by Gustav Mahler. Other recordings appeared on the labels Naxos and on DGG (Antonio in Le Nozze di Figaro).