#OTD in 1782.
Wolfgang Amadeus Mozart's opera Die Entführung aus dem Serail premiered in Vienna with the composer conducting, after which Emperor Joseph II anecdotally remarked that it had "too many notes".
The German libretto is by Gottlieb Stephanie, based on Christoph Friedrich Bretzner's Belmont und Constanze, oder Die Entführung aus dem Serail.
https://en.wikipedia.org/wiki/Die_Entf%C3%BChrung_aus_dem_Serail
Books by Amadeus Mozart at PG:
https://www.gutenberg.org/ebooks/author/1368