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
Vlatka Oršanić engaged as a soloist there and also began making guest appearances in other opera houses in what was then Yugoslavia. In that time she was celebrated as an extraordinary Lucia and Gilda. From 1985 to 1990 she lived in Vienna, where she pursued further study in solo singing techniques with Olivera Miljaković. The 1990s saw the beginning of Oršanić's international career. She sang at the Salzburg State Theatre where she appeared as Despina in "Così fan tutte", Bastienne in "Bastien und Bastienne", Euridice in "Orfeo ed Euridice" and Tamiri in "Il re pastore". She went on to sing as a