Sass, Marie-Constance (26 January 1838, Ghent; 8 November 1907, Sainte-Perrine), vocalist, whose real name was Sasse, and who also called herself Sax, was a Belgian soprano who received her musical education at the Ghent Conservatoire and from Mme Ugalde . After her father’s death, she had to work as a vocalist in the cafés of Brussels and Paris until Mme Ugalde noticed her at the Café du Géant and persuaded M. Léon Carvaille DIT Carvalho to employ her at the Théâtre-Lyrique. Mlle Sass made her…