Original: Valya Mladenova Balkanska ( ) ( born 8 January 1942 ) is a Bulgarian folk music singer from the Rhodope Mountains known 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 .
Simplified: She is most famous for performing the song Izlel je Delyo hajdutin , which was sent to space on board the Voyager 1 and Voyager 2 probes in 1977 .