Between "The Devil and Kate" and "Martha" which has more acts?
The Devil and Kate The Devil and Kate, Op. 112, B.201, ("Čert a Káča" in Czech) is an opera in three acts by Antonín Dvořák to a Czech libretto by Adolf Wenig. It is based on a farce by Josef Kajetán Tyl, and the story also had been treated in the "Fairy Tales" of Božena Němcová. The first performance of the opera was at the National Theatre, Prague, on 23 November 1899, under Adolf Čech.
The Demon (opera) The Demon (Russian: Демон ) is an opera in three acts (six scenes) by Russian composer Anton Rubinstein. The work was composed in 1871. The libretto was by Pavel Viskovatov, based on the poem of the same name by Mikhail Lermontov.