Which one is based on Hernani, Der Schauspieldirektor or Ernani?
Der Schauspieldirektor: Der Schauspieldirektor ("The Impresario"), K. 486, is a comic "singspiel" by Wolfgang Amadeus Mozart, set to a German libretto by Gottlieb Stephanie, an Austrian "Schauspieldirektor". Ernani: Ernani is an operatic "dramma lirico" in four acts by Giuseppe Verdi to an Italian libretto by Francesco Maria Piave, based on the play "Hernani" by Victor Hugo.
Ernani