Hungarian State Opera House
Born in Budapest, Réthy studied singing with in her native city and in Vienna. In 1934 she made her professional opera debut at the Hungarian State Opera House as the Shepherd in Richard Wagner's "Tannhäuser". She remained at that house for the next three years, drawing particular acclaim as Micaëla in Georges Bizet's "Carmen". She also appeared as a guest artist at a number of opera houses in Central Europe.