Als Luise die Briefe ihres ungetreuen Liebhabers verbrannte in C minor, KV 520

Mozart wrote the piece on 26 May 1787,[N 2] when he had just started to write Don Giovanni, in the Vienna district of Landstraße in the room of his friend and occasional composer Gottfried von Jacquin (1767–1792), who was then 21 years old. It is set to words of the poet Gabriele von Baumberg (1768–1839), an acquaintance of Mozart and Jacquin. In fact, Mozart wrote this piece for Jacquin's use, who had it copied —with Mozart's knowledge— into a songbook of six songs under his own attribution; the four other songs were by Jacquin. Mozart's other contribution for this songbook was his K. 530 "Das Traumbild" which Mozart posted to Jacquin later that year from Prague where he prepared Don Giovanni.