In April 2011 , the two reunited in order to participate the '' Band aid for Japan '' project organized Radio Television of Serbia as a support for the people of Japan after the Great East Japan earthquake . The single , for which a promotional video had also been recorded , " Kokoro ni ai o " ( " Smile Instead of Tears " ) , beside the duo also featured Lena Kovačević , Bilja Krstić , Ana Milovanović , Ljuba Ninković , Duda Bezuha and the Radio Television of Serbia children choir . During the same year , on December 10 , the duo appeared at the 50th anniversary celebration of the Festival Omladina , performing the song " Oblak "
Great East Japan earthquake
2011 Tōhoku earthquake and tsunami
Vlada i Bajka