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
Paris in the 18th century houses were being constructed. As the boulevards attracted crowds, they also attracted street entertainers; acrobats, musicians, dancers, and every kind of trained animal performed on the sidewalks. The end of the 18th century saw the opening of the pleasure gardens of Ranelegh, Vauxhall, and Tivoli. These were large private gardens where, in summer, Parisians paid an admission charge and found food, music, dancing, and other entertainment, from pantomime to magic lantern shows and fireworks. The admission fee was relatively high; the owners of the gardens wanted to attract a more upper class clientele, and to keep out the more boisterous