Leading motives in wagnerian opera that represent emotions, characters, ideas, objects and continually transform light german comic opera with spoken dialogue scenes with spoken dialogue or minimal singing, but striking orchestral accompaniment to intensify the dramatic effect of the words opera conceived by wagner in which music, poetry, drama and visual spectacle are fused together

The name of this concept is Leitmotiv (musical theme)

Explanation:

Leitmotiv consists of a theme or musical idea that constantly appears throughout work in order to associate it with a character, object or idea. Despite never having specified such a term, the leitmotif technique was known to Richard Wagner who systematically applied it to his operas. Later, the use of leitmotiv also became part of other languages, such as cinema and soap operas.