German critic. He worked as a diplomat in Paris from 1749. Influenced by the Encyclopedists, he favoured the use of the Italian style in French operas (especially those of Rameau, ', ', ', ', ', ', ', '); in the Querelle des Bouffons of the 1750s he rejected all French music in favour of Rousseau, writing the satirical tract Le petit proph??te de Boehmischbroda (1753) and other works. He was a friend to the visiting Mozart family, 1763-4 and 1778.