Which has more acts Faust or Die schweigsame Frau?
Die schweigsame Frau Die schweigsame Frau ("The Silent Woman"), Op. 80, is a 1935 opera in three acts by Richard Strauss with libretto by Stefan Zweig after Ben Jonson's "Epicoene, or the Silent Woman".
Die Harmonie der Welt Die Harmonie der Welt ("The Harmony of the World") is an opera in five acts by Paul Hindemith. The German libretto was by the composer.