"1975Z"^^ . . . "Trio Bulgarka"@en . . . . "Trio Bulgarka (also known as \"Three Golden Coins\", previously known as \"Bulgarka Folk Trio\") is a Bulgarian vocal ensemble. They gained international prominence through their contributions to the groundbreaking 1975 world music album Balkana: The music of Bulgaria, originally released on the now defunct Hannibal label. The trio comprises Stoyanka Boneva from Pirin, Yanka Rupkina from Strandja and Eva Georgieva from Dobroudja."@en . . . "Bulgarka Folk Trio, Three Golden Coins"@en . . . "group_or_band" . .