2023 1-4955-1119-7 André Ernest Modeste Grétry (1741-1813) was one of the most successful and most productive opera composers of the eighteenth century. Although he was born in the Prince-Bishopric of Liège, in present-day Belgium, he spend most of his life in Paris, making him one of those "Belgian Parisians". ...Much of the aesthetic debate at the time centered around the concept of 'Truth' in music and theatre. ...In 1795 Grétry started writing his essay 'De la vérité', that would eventually comprise of three volumes issued in 1801. -David Vergauwen