- Chronology: Year 1905
- Location: Vienna State Opera (Hofoper, Wiener Staatsoper)
- Program: Fidelio
- Conductor: Gustav Mahler (1860-1911)
- Orchestra: Vienna State Opera Orchestra
- Stage design:
- Notes: Vienna State Opera repertoire Gustav Mahler
The 156th evening of the season.
Ludwig van Beethoven, Fidelio (for the 9th time this season).
Leonore: Lilli Lehmann (1848-1929), Guest Artist.
Rocco: Alexander Haydter (1872-1919) of the Royal German Landestheater in Prague, Guest Artist.