What genre are both Euridice and Der Kaiser von Atlantis?
Der Kaiser von Atlantis Der Kaiser von Atlantis oder Die Tod-Verweigerung ("The Emperor of Atlantis or The Disobedience of Death") is a one-act opera by Viktor Ullmann with a libretto by Peter Kien. They collaborated on the work while interned in the Nazi concentration camp of Theresienstadt (Terezín) around 1943. The Nazis did not allow it to be performed there.
Der junge Lord Der junge Lord ("The Young Lord") is an opera in two acts by Hans Werner Henze to a German libretto by Ingeborg Bachmann, after Wilhelm Hauff's "Der Affe als Mensch" ("The Ape as Man") from "Der Scheik von Alexandria und seine Sklaven" ("The Sheik of Alexandria and his Slaves").