Overture from the singspiel "Bastien and Bastienne" K. 46b [50] Overture from the singspiel "Bastien and Bastienne" K. 46b [50] Main opus "Bastien and Bastienne", singspiel in 1 act, libretto by F. W. Weiskern and Johann H.F. Müller, based on J. A. Schachtner K. 50 (46b)