Ansambel Zlindra & Kalamari from Slovenia perform their song "Narodnozabavni Rock" during a rehearsal for the Eurovision Song Contest in Oslo May 22, 2010. Musical groups from 39 countries are competing in this year's event with the finals to be held on May 29 in Oslo. REUTERS/Bob Strong (NORWAY - Tags: ENTERTAINMENT)

Ansambel Zlindra & Kalamari from Slovenia perform their song "Narodnozabavni Rock" during a rehearsal for the Eurovision Song Contest in Oslo May 22, 2010. Musical groups from 39 countries are competing in this year's event with the finals to be held on May 29 in Oslo. REUTERS/Bob Strong (NORWAY - Tags: ENTERTAINMENT)

epa02176024 Ansambel Zlindra and Kalamari from Slovenia perform the song 'Narodnozabavni Rock' during the Second Semi-Final of the 2010 Eurovision Song Contest at the Telenor Arena in Oslo, Norway, 27 May 2010. The contest's Grand Final takes place on 29 May. EPA/CORNELIUS POPPE NORWAY OUT

epa02176021 Ansambel Zlindra and Kalamari from Slovenia performs the song 'Narodnozabavni Rock' during the Second Semi-Final of the 2010 Eurovision Song Contest at the Telenor Arena in Oslo, Norway, 27 May 2010. The contest's Grand Final takes place on 29 May. EPA/CORNELIUS POPPE NORWAY OUT