In 2006 , she played violin and sang backing vocals on Hari Mata Hari 's song , which represented Bosnia & Herzegovina at the Eurovision Song Contest 2006 . In 2007 , she was a backing vocalist in Serbia 's winning entry Molitva.In 2012 , she played violin and sang backing vocals on Željko Joksimović 's song Nije Ljubav Stvar representing Serbia at the Eurovision Song Contest 2012 . Milošević was a backing vocalist in Eurovision for the fourth time for Moje 3 representing Serbia at Eurovision Song Contest 2013
Eurovision Song Contest 2012
Eurovision Song Contest 2012
Ksenija Milošević