 Complete the following phrase:  Ljiljana Petrović ; 1939  4 February 2020 was a Serbian singer. She was born in Bosanski Brod, but was brought up in Novi Sad. She began to sing at local clubs and restaurants, and performed at a festival in Mali Lošinj in 1960, where she was noticed by the head of the artists and repertoire division at the record label Jugoton. In 1961, Petrović represented Yugoslavia in the 