Serse January, the third by 6 February, and Handel put the finishing touches to the score on 14 February. "Serse" was first performed at the King's Theatre, Haymarket on 15 April 1738. The first production was a complete failure. The audience may have been confused by the innovative nature of the work. Unlike his other operas for London, Handel included comic ("buffo") elements in "Serse". Although this had been typical for 17th-century Venetian works such as Cavalli's original setting of the libretto, by the 1730s an "opera seria" was expected to be wholly serious, with no mixing of the genres of
The Merry Wives of Windsor (opera) was to become his masterpiece in the German language. The composer himself made some changes to the libretto. It was difficult at first to find a stage that was willing to mount the opera, but following the premiere at the Königliches Opernhaus (Royal Opera House, now Berlin State Opera) in Berlin on 9 March 1849 under the baton of the composer, it achieved great success and its popularity continues to this day. Though the libretto and the dramaturgy may seem old-fashioned to today's audiences, the music is of such high quality that the work is nevertheless performed with increasing regularity.