- Chronology: Year 1900
- Location: Vienna State Opera (Hofoper, Wiener Staatsoper)
- Program: Cosi fan tutte
- Conductor: Gustav Mahler (1860-1911)
- Orchestra: Vienna State Opera Orchestra
- Stage design:
- Notes: Vienna State Opera repertoire Gustav Mahler
Rehearsals for Mahler performances:
Richard Wagner, Die Walküre (Rehearsal) (for scenery).
The 57th evening of the season.
Wolfgang Amadeus Mozart, Così fan tutte (for the 2nd time this season).