- Chronology: Year 1904
- Location: Vienna State Opera (Hofoper, Wiener Staatsoper)
- Program: Tristan
- Conductor: Gustav Mahler (1860-1911)
- Orchestra: Vienna State Opera Orchestra
- Stage design:
- Notes: Vienna State Opera repertoire Gustav Mahler
The 127th evening of the season.
Richard Wagner, Tristan und Isolde (for the 2nd time this season).