++ On the occasion of the World Music Day on June 21st, 40 artists support the Blue Heart campaign for the protection of Balkan Rivers ++ The musicians want to shake people up and contribute to preventing the looming destruction of nature in their home countries. Darko Rundek from Croatia, Rambo Amadeus from Serbia/Montenegro, Jelena Milušić from Bosnia-Herzegovina and Srdjan Jevdjević/Kultur Shock (USA, originally from Bosnia-Herzegovina) are only four of a total of 40 supporting artists.