The Austrian-Bulgarian mezzo-soprano Olga Levtcheva has performed the following operatic roles on stage: Olga in Eugene Onegin (Tchaikovsky), Trommler in Der Kaiser von Atlantis (Ullmann), Dorabella in Cosi fan tutte (Mozart), Baker in Rossegger (D. Vereno), and Trydo in Der König Kandaules (Zemlinsky).

She gave her debut at the Salzburg State Theater in 2020 as "Marthe Schwerdtlein" in Faust (Gounod), where she also sang the Fairy in Alma Deutscher´s Cinderella 2021. In 2022 she sang Clotilde in Norma (Bellini) at the Immling Festival, where she impersonated Tisbe in Rossini´s Cenerentola the following year. Other operatic roles studied include Der Componist in Ariadne auf Naxos (R. Strauss), Octavian in Der Rosenkavalier (R. Strauss), Stephano in Roméo et Juliette (Gounod) and Nicklausse in Hoffmanns Erzählungen (Offenbach). In addition to operatic performances, Olga has performed as a soloist with Cantorey Salzburg Verdi Requiem in 2023. 

Olga is currently a graduate student at the Universität Mozarteum Salzburg, where she studies voice with John Thomasson and Lied performance with Thérèse Lindquist. Before entering the Mozarteum, Olga studied privately with Bulgarian Soprano Milkana Nikolova in Vienna. Olga also teaches voice at the Musikschulwerk Tirol.