Aistė Širvinskaitė completed her singing studies with prof. I.Milkevičiūtė's singing class. At the Lithuanian National Opera and Ballet Theater, the soloist performed roles in the following operas: B. Dvarion's "Dalia", P. Tchaikovsky's "Eugene Onegin", G. Verdi's "Aida" and R. Wagner's "Valkyrie". A. Širvinskaitė's repertoire also includes large-scale vocal instrumental works: J.S. Bach's Magnificat, G.F. "Dixit Dominus" by Handel, "Acis and Galatea", "Coronation Mass" by W.A. Mozart, "Christmas Oratorio" by C. Saint-Saens, etc. Every year, the soloist together with her colleagues pianist Rūta Blaškyta and violinist Migle Dikšaitiene organizes a concert program organized by the Lithuanian State Philharmonic as part of the "RAMuzika" ensemble.