Hatto, Jeanne (30 January 1879, Lyons; ?), vocalist, was the stage name of Marguerite Jeanne Frère. She showed an early interest in music and was enrolled at the Conservatoire in Paris. She distinguished herself as a student and made her debut as a soprano at the Garnier Palace in Brunehilde of Sigurd on 22 December 1899. Mlle Hatto was only 20 years old at the time of her first performance at the Opéra, and she enjoyed a comparatively long and active association with the company. She was…