"non_vocal_instrumentalist" . . "1979Z"^^ . "Jascha Lieberman is a Polish violinist and violist.He studied playing under Stefan Kamasa, Giora Feidman, and Lepold Koz\u0142owski.Lieberman was a member of the string quartet conducted by Krzysztof Penderecki."@en . . . . . . "Jascha Lieberman"@en . . . . .