Bastien und Bastienne Bastien und Bastienne ' was one of Mozart's earliest operas, written in 1768 when he was only twelve years old. It was allegedly commissioned by Viennese physician and 'magnetist' Dr. Franz Mesmer (who himself would later be parodied in "Così fan tutte") as a satire of the 'pastoral' genre then prevalent, and specifically as a parody of the opera "Le devin du village" by Jean-Jacques Rousseau. The German libretto is by Friedrich Wilhelm Weiskern, and Johann Andreas Schachtner, based on ' by Justine Favart and Harny de Guerville. After its supposed premiere in Mesmer's garden theater (that is only corroborated
Croesus (opera) Croesus (opera) Der hochmütige, gestürzte und wieder erhabene Croesus ("The Proud, Overthrown and Again Exalted Croesus") is a three-act opera (described as a "Singe-Spiel") composed by Reinhard Keiser. The German language libretto by Lucas von Bostel was based on Nicolò Minato's 1678 dramma per musica "Creso", the music for which was composed by the Emperor Leopold I. Keiser's "Croesus" received its first performance at the Theater am Gänsemarkt, Hamburg, in 1711 (exact date unknown). Later, the composer extensively revised the opera for a new version, which premièred at the same theatre on 6 December 1730. In the process, he discarded