Ballet

Gradually, the genres of ballet art were distinguished. In the 17th century, the ballet comedy was created, which was characterized by a more lively and lighter form, and was also staged for the bourgeoisie.

An excerpt from the article 21 facts about ballet

The first ballet comedy was The Bores by Molière. More subdued productions were the so-called lyric tragedies, such as Psyché, considered the first of its kind. It was created in 1671 in response to Louis XIV's desire to create a spectacle at the French court along the lines of Italian opera. 

By the end of the century, the mixing of styles led to a hybrid form called ballet opera.