 In addition to operas, the sisters sing operettas, Broadway musicals, French melodies, Italian Neapolitans and lieder.In 2001, the sisters were finalists at the "4th International de Vivo Voix Competition".The sisters performed concerts throughout the world, including; New York, Washington DC, Antalya, Ankara, İstanbul, İzmir, Düsseldorf, Essen, Frankfurt, Galaz and performed at very special venues like Vienna City Hall, United Nations, Hoffburg Palace, Turkish Embassy in Vienna, Düsseldorf Parliament Building, European Parliament and Startmore Music Center.