High Quality Content by WIKIPEDIA articles! Valya Mladenova Balkanska (Bulgarian: Валя Младенова Балканска) (born 8 January 1942) is a Bulgarian folk music singer from the Rhodope Mountains known locally for her wide repertoire of Balkan folksong, but in the West mainly for singing the song "Izlel e Delyu Haydutin", part of the Voyager Golden Record selection of music included in the two Voyager spacecraft launched in 1977.