"Scherler" . . "Scherler, Barbara (1938)" . "Barbara Scherler (born 10 January 1938) is a German classical mezzo-soprano and contralto singer in opera and concert. She was a member of the Deutsche Oper Berlin and active in performances and recordings of operas of the 20th century."@en . . "1938"^^ . "Barbara" . "Barbara Scherler" . . . . "Barbara Scherler" . . . . . . . "13945855" . .