abbe de Bay 17??-f1789 France, ? - ?, ?
choirmaster, of Eglise Metropolitaine in Cambrai, abbot of Saint Gery in Cambrai, the revolutionary events obliged him to leave Cambrai, 1789 he took refuge in a convent/monastery near Paderborn Germany, here he worked on a treatise on musical theory and harmony, Mr. Brun-Lavainne, a relative of abbe de Bay, published a detailed study of the musical theory of abbe de Bay in La France musicale 1844