noun
singspiel
A German-language opera with spoken dialogue, popular in the 18th century. Used as a musicological term in Japanese.
from German
モーツァルトの『後宮からの逃走』はジングシュピールの代表作だ。
Mozart's 'The Abduction from the Seraglio' is a representative singspiel.
オペラ is a general term for opera, while ジングシュピール specifically refers to a German-language opera with spoken dialogue.
Borrowed from German 'Singspiel', literally 'sing-play'.