[1] Margita has had his debut performance at the Metropolitan Opera in November 2009 as Luka Kuzmič in Leoš Janáček's From the House of the Dead.

The latter prize gained him an invitation to join the roster of principal singers at the Prague National Theatre beginning in August 1986.

In 1992, he performed Tebaldo in Vincenzo Bellini's I Capuleti e i Montecchi in Budapest and had a major personal triumph as the title hero in Jacques Offenbach's The Tales of Hoffmann at the Prague National Theatre.

In 1994 he debuted at the Leipzig Opera as Don Ottavio and in 1995 he returned to the Maggio Musicale Fiorentino as the title hero in Franz Schubert's Fierrabras.

Guest appearances over the next several years included performances at the opera houses in Genoa, Stuttgart, Basel, Berlin, Vienna and Moscow, Turin, Brescia, Milan, Paris and Budapest.