 At the Zürich Opera House, she appeared in various roles, among others as the Queen of the Night, Konstanze, Donna Anna, Lucia di Lammermoor, Linda di Chamounix, Elvira, Gilda, Violetta, Luisa Miller, Sophie, Zerbinetta, Aminta/Timidia (The silent woman), Musetta, Micaëla, Marguerite, Liù, Medora (Il Corsaro), Nedda, Mrs. Alice Ford, Stella, Olympia, Antonia and Giulietta.Moșuc received many prestigious prizes.In 1991, she won the international Monte-Carlo music competition, followed by the "European Furtherance Prize for Music", in 1993, and the "Premio Bellini d' Oro", in Catania, in 1995.