COMPLETE TITLE: L'Art, ou Les Principes Philosophiques du Chant: par M. Blanchet. IIe Edition, corrigée & augmentée; 3 liv. broché.
Online text: GALLICA - INTERNET ARCHIVE

In the Avertissement Blanchet claims the authorship for the work, of which the first edition, published in 1755 with the title L'Art du Chant, dedié à Madame de Pompadour, was attributed to Jean-Antoine Bérard (see).