 In 2002, Kitka joined Le Mystere des Voix Bulgares as “international guests of honor” for this choir's 50th Anniversary Gala at the National Palace of Culture in Sofia, Bulgaria.In the summer of 2005, Kitka journeyed to Ukraine and participated in research expeditions to the rural villages in the northwest and east Ukraine under the guidance of Ukrainian singer, actress and composer Mariana Sadovska.This trip also included a series of performances, international artist-exchange meetings, workshops, and radio and television broadcasts.