Singspiel

A Singspiel (literally a "sung play") is a form of German-language music drama, with spoken dialogue, alternated with ensembles, songs, ballads, and arias. It is somewhat related to the English form known as ballad opera[1] and is today it is mostly viewed as a type of opera.

Known as a sangspel in Afrikaans.

https://en.wikipedia.org/wiki/Singspiel

https://en.wikipedia.org/wiki/Ballad_opera