In previous seasons, Soula has appeared at many of the world's major opera and concert venues, first appearing on the international operatic scene as Fiordiligi in Mozart's Cosi fan tutte with the Ensemble Philidor directed by Yves Beaunesne and conducted by Francois Bazola. In 2020 Soula should have made her US opera debut and house debut as Erste Dame with Houston Grand Opera in Mozart's Die Zauberflöte, and reprised her role as Donna Elvira in Shenzhen, in co-production with Opera Bordeaux and Guangzhao Opera. Further appearances included the Guangzhou Opera's 10 year gala, performing Wagner's Wesendonck Liede r. As a former flutist, s he also served as a moderator and host for Medici TV at the Carl Nielsen International Competition. In the 2019-2020, seasons, Soula appeared as Elettra in Idomeneo at Teatro Massimo Palermo, Helmwige in Die Walküre at Opera Boredeaux, Donna Elvira in Don Giovanni at Guangzhao Opera, and Bice in the Italian premiere of Korngold's Violanta at the Teatro Regio Torino, which was broadcast on RAI5 and available on DVD on the Dynamic label.

Greek-Canadian soprano Soula Parassidis has delighted audiences on three continents with her commanding voice, authentic character interpretations, and glamorous stage presence.

Houston grand opera radio broadcasts