Which opera was first performed earlier, La Wally or Rise and Fall of the City of Mahagonny?
La Wally: La Wally is an opera in four acts by composer Alfredo Catalani, to a libretto by Luigi Illica, first performed at La Scala, Milan, on 20 January 1892. Rise and Fall of the City of Mahagonny: Rise and Fall of the City of Mahagonny (German: Aufstieg und Fall der Stadt Mahagonny ) is a political-satirical opera composed by Kurt Weill to a German libretto by Bertolt Brecht. Rise and Fall of the City of Mahagonny:  It was first performed on 9 March 1930 at the Neues Theater in Leipzig.
La Wally