. "1979-04-08Z"^^ . "Vatchkov, Deyan"@en . . . "1979Z"^^ . "Deyan Vatchkov"@en . . "Bulgarian opera singer" . "Deyan Vatchkov"@en . "Deyan Vatchkov (Bulgarian: \u0414\u0435\u044F\u043D \u0412\u0430\u0447\u043A\u043E\u0432), born April 8, 1979, in Sofia, Bulgaria is a Bulgarian Opera Singer Bass.A native of Sofia (Bulgaria) he studied vocal technique in the Conservatory of Sofia with prof.Karapetrovand later in the Academy of La Scala with Leyla Gencer and Luciana Serra."@en . . .