Erik's Music Database - discography search: performer is "Masha Belmustakova" and performer is "Trifon Trifonov" and performer is "Zhenska Pevcheska Groupa ot Cherven BregKyustendil" and performer is "Trakiiska Troika Before 1941" and performer is "John Pappas His Band" and performer is "Dumitru Zamfira"