Bastien und Bastienne, K. 50 is a one-act singspiel, a comic opera, by Wolfgang Amadeus Mozart.
Bastien und Bastienne was one of Mozart's earliest operas, written in 1768 when he was only twelve years old. Wikipedia
Composer: Wolfgang Amadeus Mozart
Librettists: Friedrich Wilhelm Weiskern, Johann Andreas Schachtner, Max Kalbeck, and more
First performance: October 1768
Composed: 1768
Genre: Singspiel