 Complete the following phrase:  Soon Buffet became a national celebrity  she performed at such famous cafés-concerts as the Théâtre de la Gaîté-Montparnasse, the Théâtre de la Gaîté-Rochechouart, and Les Ambassadeurs. She also sang in less conventional locations such as the streets of the poorer neighbourhoods of Paris, and even at coal mines, in order to raise money for the poor and homeless. Buffet also performed daily at the 