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
D'Oyly Carte Opera Company popular Offenbach operetta "La Périchole" he brought W. S. Gilbert and Arthur Sullivan together. On tour in 1871, Carte had conducted Arthur Sullivan's one-act comic opera "Cox and Box", which received an 1874 London revival. In 1873, W. S. Gilbert had offered a libretto to Carte about an English courtroom, but at the time Carte knew of no composer available to set it to music. Carte remembered Gilbert's libretto and suggested to Gilbert that Sullivan write the music for a one-act comic opera, "Trial by Jury", which was quickly composed and added to the Royalty's bill in March 1875. The