 They were appreciated, but the progression of his career was brutally prevented by the Revolution of 1789.In 1783, in Paris, the Concert Spirituel of the Palais des Tuileries gave a great chorus motet of Jumentier, whose title we do not know.In 1793, when the belongings of the Cathedral chapter of Saint-Quentin were confiscated and the choir house seized and then sold as bien national, he found himself, if not without resources and without asylum, at least somewhat seriously destitute (the Ecclesiastical Revolutionary Committee nevertheless granted the church musicians a small pension, calculated according to their years of practice).